{"title":"Check Valves","description":"\u003cp\u003eCheck valves that allow flow in one direction and prevent backflow. Spring-loaded and inline PVC designs for water, chemical feed, and pump protection.\u003c\/p\u003e","products":[{"product_id":"12-glue-inlne-plastic-ck-vlv-940325","title":"1\/2 in. Glue Inline Plastic Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Glue (Slip) Inline Check Valves, 1\/2 in. through 1-1\/2 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940325\u003c\/td\u003e\n\u003ctd\u003e$12.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-glue-inlne-plastic-ck-vlv-940326\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940326\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260386519:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-glue-inlne-plastic-ck-vlv-940328\"\u003e1-1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940328\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260452055:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-glue-inlne-plastic-ck-vlv-940329\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940329\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260484823:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940325 is a 1\/2 in. PVC inline spring check valve with slip x slip (solvent-weld) socket ends. Glue the sockets to schedule PVC pipe for a permanent, leak-tight joint. The spring-loaded poppet allows forward flow and closes on reverse flow, rated to 200 psi at 77 °F for irrigation and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940325\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSlip x Slip (Solvent-Weld Socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and general water lines to prevent backflow. The slip sockets solvent-weld directly to PVC pipe. Install with the flow arrow pointing downstream so forward flow opens the spring poppet.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV50G\u003c\/strong\u003e, \u003cstrong\u003e42036-08\u003c\/strong\u003e, \u003cstrong\u003e523S03\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: Slip x slip solvent-weld sockets; glue them to schedule PVC pipe with PVC cement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: PVC, suited to water and many chemical lines (check compatibility).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body; the spring closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260288215,"sku":"940325","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940325_d6b495b5-8f20-435f-a605-cd5ad1ba0787.jpg?v=1778884422"},{"product_id":"12-inline-fxf-pvc-spring-load-chk-vlv-940331","title":"1\/2 in. Inline Female x Female PVC Spring-Loaded Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Female x Female Threaded Spring Check Valves, 1\/2 in. through 1-1\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940331\u003c\/td\u003e\n\u003ctd\u003e$14.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-fxf-pvc-inline-chk-vlv-spring-loaded-940332\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940332\u003c\/td\u003e\n\u003ctd\u003e$16.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260353751:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-inline-fxf-pvc-spring-load-chk-vlv-940334\"\u003e1-1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940334\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260419287:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940331 is a 1\/2 in. PVC inline spring check valve with FPT x FPT (female NPT) threaded ends. Thread it onto schedule PVC or compatible pipe; no solvent weld required. The spring-loaded poppet opens under forward flow and seals on reverse flow, rated to 200 psi at 77 °F.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940331\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and water lines where a threaded, serviceable check valve is preferred over a glued one. Forward flow opens the spring poppet; reverse flow seats it. Install with the flow arrow downstream and seal threads with PTFE tape.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV40G\u003c\/strong\u003e, \u003cstrong\u003e42034-08\u003c\/strong\u003e, \u003cstrong\u003e523T03\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: FPT x FPT female NPT threads; no glue required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use thread sealant?\u003c\/strong\u003e\u003cbr\u003eA: Yes, use PTFE tape or pipe dope rated for plastic threads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the poppet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260320983,"sku":"940331","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940331_7f3246bc-0474-4582-b829-d82dc78ab76d.jpg?v=1778884423"},{"product_id":"34-fxf-pvc-inline-chk-vlv-spring-loaded-940332","title":"3\/4 in. Female x Female PVC Inline Spring-Loaded Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Female x Female Threaded Spring Check Valves, 1\/2 in. through 1-1\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-inline-fxf-pvc-spring-load-chk-vlv-940331\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940331\u003c\/td\u003e\n\u003ctd\u003e$14.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260320983:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940332\u003c\/td\u003e\n\u003ctd\u003e$16.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-inline-fxf-pvc-spring-load-chk-vlv-940334\"\u003e1-1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940334\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260419287:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940332 is a 3\/4 in. PVC inline spring check valve with FPT x FPT (female NPT) threaded ends. Thread it onto schedule PVC or compatible pipe; no solvent weld required. The spring-loaded poppet opens under forward flow and seals on reverse flow, rated to 200 psi at 77 °F.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940332\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and water lines where a threaded, serviceable check valve is preferred over a glued one. Forward flow opens the spring poppet; reverse flow seats it. Install with the flow arrow downstream and seal threads with PTFE tape.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV40I\u003c\/strong\u003e, \u003cstrong\u003e42034-12\u003c\/strong\u003e, \u003cstrong\u003e523T04\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: FPT x FPT female NPT threads; no glue required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use thread sealant?\u003c\/strong\u003e\u003cbr\u003eA: Yes, use PTFE tape or pipe dope rated for plastic threads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the poppet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260353751,"sku":"940332","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940332_1322900e-6329-40b9-a78c-f7bf573ce835.jpg?v=1778884424"},{"product_id":"34-glue-inlne-plastic-ck-vlv-940326","title":"3\/4 in. Glue Inline Plastic Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Glue (Slip) Inline Check Valves, 1\/2 in. through 1-1\/2 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-glue-inlne-plastic-ck-vlv-940325\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940325\u003c\/td\u003e\n\u003ctd\u003e$12.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260288215:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940326\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-glue-inlne-plastic-ck-vlv-940328\"\u003e1-1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940328\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260452055:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-glue-inlne-plastic-ck-vlv-940329\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940329\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260484823:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940326 is a 3\/4 in. PVC inline spring check valve with slip x slip (solvent-weld) socket ends. Glue the sockets to schedule PVC pipe for a permanent, leak-tight joint. The spring-loaded poppet allows forward flow and closes on reverse flow, rated to 200 psi at 77 °F for irrigation and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940326\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSlip x Slip (Solvent-Weld Socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and general water lines to prevent backflow. The slip sockets solvent-weld directly to PVC pipe. Install with the flow arrow pointing downstream so forward flow opens the spring poppet.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV50I\u003c\/strong\u003e, \u003cstrong\u003e42036-12\u003c\/strong\u003e, \u003cstrong\u003e523S04\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: Slip x slip solvent-weld sockets; glue them to schedule PVC pipe with PVC cement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: PVC, suited to water and many chemical lines (check compatibility).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body; the spring closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260386519,"sku":"940326","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940326_7ee2cdb6-9f90-49df-a23c-f6edee26d744.jpg?v=1778884425"},{"product_id":"1-14-inline-fxf-pvc-spring-load-chk-vlv-940334","title":"1-1\/4 in. Inline Female x Female PVC Spring-Loaded Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Female x Female Threaded Spring Check Valves, 1\/2 in. through 1-1\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-inline-fxf-pvc-spring-load-chk-vlv-940331\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940331\u003c\/td\u003e\n\u003ctd\u003e$14.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260320983:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-fxf-pvc-inline-chk-vlv-spring-loaded-940332\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940332\u003c\/td\u003e\n\u003ctd\u003e$16.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260353751:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940334\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940334 is a 1-1\/4 in. PVC inline spring check valve with FPT x FPT (female NPT) threaded ends. Thread it onto schedule PVC or compatible pipe; no solvent weld required. The spring-loaded poppet opens under forward flow and seals on reverse flow, rated to 200 psi at 77 °F.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940334\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and water lines where a threaded, serviceable check valve is preferred over a glued one. Forward flow opens the spring poppet; reverse flow seats it. Install with the flow arrow downstream and seal threads with PTFE tape.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV40L\u003c\/strong\u003e, \u003cstrong\u003e42034-20\u003c\/strong\u003e, \u003cstrong\u003e523T06\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: FPT x FPT female NPT threads; no glue required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use thread sealant?\u003c\/strong\u003e\u003cbr\u003eA: Yes, use PTFE tape or pipe dope rated for plastic threads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the poppet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260419287,"sku":"940334","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940334.jpg?v=1778884426"},{"product_id":"1-14-glue-inlne-plastic-ck-vlv-940328","title":"1-1\/4 in. Glue Inline Plastic Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Glue (Slip) Inline Check Valves, 1\/2 in. through 1-1\/2 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-glue-inlne-plastic-ck-vlv-940325\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940325\u003c\/td\u003e\n\u003ctd\u003e$12.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260288215:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-glue-inlne-plastic-ck-vlv-940326\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940326\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260386519:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940328\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-glue-inlne-plastic-ck-vlv-940329\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940329\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260484823:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940328 is a 1-1\/4 in. PVC inline spring check valve with slip x slip (solvent-weld) socket ends. Glue the sockets to schedule PVC pipe for a permanent, leak-tight joint. The spring-loaded poppet allows forward flow and closes on reverse flow, rated to 200 psi at 77 °F for irrigation and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940328\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSlip x Slip (Solvent-Weld Socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and general water lines to prevent backflow. The slip sockets solvent-weld directly to PVC pipe. Install with the flow arrow pointing downstream so forward flow opens the spring poppet.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV50L\u003c\/strong\u003e, \u003cstrong\u003e42036-20\u003c\/strong\u003e, \u003cstrong\u003e523S06\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: Slip x slip solvent-weld sockets; glue them to schedule PVC pipe with PVC cement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: PVC, suited to water and many chemical lines (check compatibility).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body; the spring closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260452055,"sku":"940328","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940328_fb18e36e-31ff-4763-af64-94fe2e4ff229.jpg?v=1778884427"},{"product_id":"1-12-glue-inlne-plastic-ck-vlv-940329","title":"1-1\/2 in. Glue Inline Plastic Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003ePVC Glue (Slip) Inline Check Valves, 1\/2 in. through 1-1\/2 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-glue-inlne-plastic-ck-vlv-940325\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940325\u003c\/td\u003e\n\u003ctd\u003e$12.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260288215:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-glue-inlne-plastic-ck-vlv-940326\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940326\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260386519:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-glue-inlne-plastic-ck-vlv-940328\"\u003e1-1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e940328\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629260452055:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/2 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940329\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 940329 is a 1-1\/2 in. PVC inline spring check valve with slip x slip (solvent-weld) socket ends. Glue the sockets to schedule PVC pipe for a permanent, leak-tight joint. The spring-loaded poppet allows forward flow and closes on reverse flow, rated to 200 psi at 77 °F for irrigation and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e940329\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSlip x Slip (Solvent-Weld Socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternals\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed in irrigation, pool, pond, and general water lines to prevent backflow. The slip sockets solvent-weld directly to PVC pipe. Install with the flow arrow pointing downstream so forward flow opens the spring poppet.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV50M\u003c\/strong\u003e, \u003cstrong\u003e42036-24\u003c\/strong\u003e, \u003cstrong\u003e523S07\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this valve connect?\u003c\/strong\u003e\u003cbr\u003eA: Slip x slip solvent-weld sockets; glue them to schedule PVC pipe with PVC cement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi at 77 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: PVC, suited to water and many chemical lines (check compatibility).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body; the spring closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chloroethane, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260484823,"sku":"940329","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940329_c8bff109-8c82-4771-90f6-2542231d7868.jpg?v=1778884428"},{"product_id":"18-in-line-check-valve-vert-or-horiz-947140","title":"1\/8 in. Inline Check Valve, Vertical or Horizontal","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 947140 is a 1\/8 in. cast bronze inline check valve with FPT x FPT (female NPT) connections that can be mounted vertically or horizontally. A stainless spring and PTFE poppet provide positive reverse-flow shutoff across a wide -40 to 450°F range, rated to 250 psi. An HNBR o-ring and 1\/8 in. NPT unloader port round out the design.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e947140\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check (vertical or horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e250 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-40 to 450°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCast Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO-Ring\u003c\/td\u003e\n\u003ctd\u003eHNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCast Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO-Ring\u003c\/td\u003e\n\u003ctd\u003eHNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed as an unloader\/inline check on compressors and high-temperature air, oil, and gas lines where wide temperature tolerance is needed. Its spring lets it mount in any orientation; install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/8 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan this mount vertically or horizontally?\u003c\/strong\u003e\u003cbr\u003eYes. The spring-loaded PTFE poppet lets this bronze check valve seal reliably in either vertical or horizontal orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature can it handle?\u003c\/strong\u003e\u003cbr\u003e-40 to 450°F, rated to 250 psi — a much wider range than standard elastomer-sealed checks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the poppet made of?\u003c\/strong\u003e\u003cbr\u003eA PTFE poppet with a stainless steel spring and HNBR o-ring in a cast bronze body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The cast bronze body contains lead and is not certified lead-free.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262221527,"sku":"947140","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_947140_7d826c38-73c7-434d-91a5-96f207c5cda3.jpg?v=1778884478"},{"product_id":"14-brass-in-line-check-valve-944401","title":"1\/4 in. Brass Inline Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with NBR seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944401\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-valve-nbr-944403\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262483671:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-nbr-944406\"\u003e1-1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406\u003c\/td\u003e\n\u003ctd\u003e$69.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262745815:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944401 is a 1\/4 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Buna-N (NBR) seal rated to 210°F for general air, oil, and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 210°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100002 1\/4\u003c\/strong\u003e, \u003cstrong\u003e100002-04\u003c\/strong\u003e, \u003cstrong\u003e100002-1\/4\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 210°F for this NBR version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262287063,"sku":"944401","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944401_cc9505a2-e925-4e17-b472-218bb8ae0d76.jpg?v=1778884479"},{"product_id":"38-brass-in-line-valve-viton-944402v","title":"3\/8 in. Brass Inline Valve, Viton","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with Viton (FKM) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-viton-944403v\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262549207:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-brass-in-line-check-viton-944404v\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262680279:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-944406v\"\u003e1-1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$84.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262876887:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944402V is a 3\/8 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Viton (FKM) seal rated to 325°F for higher-temperature and chemical service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 325°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100003-3\/8\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 325°F for this Viton version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262418135,"sku":"944402V","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944402V_178e6e1f-8466-4dfe-a26c-64494c7f804b.jpg?v=1778884480"},{"product_id":"12-brass-in-line-check-valve-nbr-944403","title":"1\/2 in. Brass Inline Check Valve, NBR","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with NBR seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-brass-in-line-check-valve-944401\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944401\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262287063:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944403\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-nbr-944406\"\u003e1-1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406\u003c\/td\u003e\n\u003ctd\u003e$69.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262745815:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944403 is a 1\/2 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Buna-N (NBR) seal rated to 210°F for general air, oil, and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944403\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 210°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100002-08\u003c\/strong\u003e, \u003cstrong\u003e100002-1\/2\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 210°F for this NBR version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262483671,"sku":"944403","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944403_dfeb6238-d4d9-434c-9b30-729215de64d2.jpg?v=1778884481"},{"product_id":"12-brass-in-line-check-viton-944403v","title":"1\/2 in. Brass Inline Check Valve, Viton","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with Viton (FKM) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-brass-in-line-valve-viton-944402v\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262418135:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-brass-in-line-check-viton-944404v\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262680279:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-944406v\"\u003e1-1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$84.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262876887:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944403V is a 1\/2 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Viton (FKM) seal rated to 325°F for higher-temperature and chemical service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 325°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100003-08\u003c\/strong\u003e, \u003cstrong\u003e100003-1\/2\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 325°F for this Viton version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262549207,"sku":"944403V","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944403V_0c93e817-d668-428f-87d7-eb45f3bcf630.jpg?v=1778884482"},{"product_id":"38-in-line-check-val-944429","title":"3\/8 in. Inline Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline lift check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944429\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-ips-brass-inline-check-valve-944433\"\u003e1-1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944433\u003c\/td\u003e\n\u003ctd\u003e$64.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262713047:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944429 is a 3\/8 in. brass inline lift check valve with FPT x FPT (female NPT) connections and a brass disc. The disc lifts off its seat under forward flow and drops back to block reverse flow, providing simple backflow protection rated to 200 psi WOG. Service temperature ranges from 14 to 248°F.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944429\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline lift check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e14 to 248°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed for backflow prevention in horizontal air, oil, and water lines downstream of pumps and compressors. Lift checks rely on gravity, so install horizontally with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e103CVC\u003c\/strong\u003e, \u003cstrong\u003e103CV-C\u003c\/strong\u003e, \u003cstrong\u003eRL01-108TZ\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does a lift check install?\u003c\/strong\u003e\u003cbr\u003eInstall horizontally with the body arrow pointing in the direction of flow. The brass disc lifts under forward flow and reseats by gravity against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it mount vertically?\u003c\/strong\u003e\u003cbr\u003eLift checks are gravity-dependent and are intended for horizontal lines with the cap up. For vertical service, use a spring-loaded inline or barrel check instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e200 psi WOG, with a service range of 14 to 248°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body and disc contain lead and are not certified lead-free.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262614743,"sku":"944429","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944429_7550c425-0ce7-4c5d-93fb-dcd78f235530.jpg?v=1778884483"},{"product_id":"34-brass-in-line-check-viton-944404v","title":"3\/4 in. Brass Inline Check Valve, Viton","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with Viton (FKM) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-brass-in-line-valve-viton-944402v\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262418135:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-viton-944403v\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262549207:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-944406v\"\u003e1-1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$84.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262876887:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944404V is a 3\/4 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Viton (FKM) seal rated to 325°F for higher-temperature and chemical service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 325°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100003-12\u003c\/strong\u003e, \u003cstrong\u003e100003-3\/4\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 325°F for this Viton version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262680279,"sku":"944404V","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944404V_4ce967c7-f8b9-4148-93ca-90a32220cb7b.jpg?v=1778884484"},{"product_id":"1-14-ips-brass-inline-check-valve-944433","title":"1-1\/4 in. IPS Brass Inline Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline lift check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-in-line-check-val-944429\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944429\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262614743:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944433\u003c\/td\u003e\n\u003ctd\u003e$64.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944433 is a 1-1\/4 in. brass inline lift check valve with FPT x FPT (female NPT) connections and a brass disc. The disc lifts off its seat under forward flow and drops back to block reverse flow, providing simple backflow protection rated to 200 psi WOG. Service temperature ranges from 14 to 248°F.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944433\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline lift check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e14 to 248°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed for backflow prevention in horizontal air, oil, and water lines downstream of pumps and compressors. Lift checks rely on gravity, so install horizontally with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e0209CV30L\u003c\/strong\u003e, \u003cstrong\u003e103CVJ\u003c\/strong\u003e, \u003cstrong\u003e103CV-J\u003c\/strong\u003e, \u003cstrong\u003e262044\u003c\/strong\u003e, \u003cstrong\u003e40034-20\u003c\/strong\u003e, \u003cstrong\u003e525T06\u003c\/strong\u003e, \u003cstrong\u003eCV125\u003c\/strong\u003e, \u003cstrong\u003eHP-245 1-1\/4\u003c\/strong\u003e, \u003cstrong\u003eRL01-108TD\u003c\/strong\u003e, \u003cstrong\u003eVCV-20\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does a lift check install?\u003c\/strong\u003e\u003cbr\u003eInstall horizontally with the body arrow pointing in the direction of flow. The brass disc lifts under forward flow and reseats by gravity against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it mount vertically?\u003c\/strong\u003e\u003cbr\u003eLift checks are gravity-dependent and are intended for horizontal lines with the cap up. For vertical service, use a spring-loaded inline or barrel check instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e200 psi WOG, with a service range of 14 to 248°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body and disc contain lead and are not certified lead-free.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262713047,"sku":"944433","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944433_5e4bc142-c43f-4521-b671-632a1064f967.jpg?v=1778884485"},{"product_id":"1-14-brass-in-line-check-nbr-944406","title":"1-1\/4 in. Brass Inline Check Valve, NBR","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with NBR seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-brass-in-line-check-valve-944401\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944401\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262287063:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-valve-nbr-944403\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262483671:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944406\u003c\/td\u003e\n\u003ctd\u003e$69.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944406 is a 1-1\/4 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Buna-N (NBR) seal rated to 210°F for general air, oil, and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944406\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 210°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100002-1-1\/4\u003c\/strong\u003e, \u003cstrong\u003e100002-20\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 210°F for this NBR version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262745815,"sku":"944406","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944406_a1aec017-686a-445a-bd85-f2d5ed42670b.jpg?v=1778884486"},{"product_id":"1-14-brass-in-line-check-944406v","title":"1-1\/4 in. Brass Inline Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass inline poppet check valves with Viton (FKM) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-brass-in-line-valve-viton-944402v\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$24.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262418135:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-viton-944403v\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262549207:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-brass-in-line-check-viton-944404v\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262680279:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$84.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 944406V is a 1-1\/4 in. brass inline check valve with FPT x FPT (female NPT) connections and a spring-loaded polyetherimide poppet. It permits flow in one direction and seals against reverse flow, and is rated to 400 psi WOG. This version uses a Viton (FKM) seal rated to 325°F for higher-temperature and chemical service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e10 to 325°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled downstream of pumps and compressors to prevent backflow in air, oil, water, and gas lines. Install with the flow arrow pointing in the direction of intended flow; the spring returns the poppet to its seat the moment flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e100003-1-1\/4 in.\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this inline check install?\u003c\/strong\u003e\u003cbr\u003eInstall it with the body arrow pointing in the direction of desired flow. The spring-loaded poppet opens forward and closes on reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which should I choose?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) suits general air, oil, and water up to 210°F. Viton (FKM) extends service to 325°F and resists more chemicals and fuels. Both share the same 400 psi WOG rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e400 psi WOG. Temperature range is 10 to 325°F for this Viton version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free; it is not intended for potable drinking-water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262876887,"sku":"944406V","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944406V_4eb35c9a-dfac-4bfb-8c1f-58abed90a6b3.jpg?v=1778884486"},{"product_id":"single-check-valve-38-fptx38-mpt304ss-34846","title":"Single Check Valve, 3\/8 in. Female NPT x 3\/8 in. Male NPT, 304 Stainless Steel","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 34846 is a 3\/8 in. single check valve in 304 stainless steel with FPT x MPT (female x male NPT) connections. A single check element provides backflow protection and threads inline between a female and a male NPT fitting.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e34846\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 x 3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x MPT (Female NPT x Male NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSingle Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInline backflow prevention for beverage, refrigeration, water, and general fluid lines. The valve uses a single check element to stop reverse flow; install with the flow arrow pointing downstream and the connections matched to your tubing or pipe.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/8 x 3\/8 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a single or dual check?\u003c\/strong\u003e\u003cbr\u003eA: This is a single check valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: FPT x MPT (Female NPT x Male NPT).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: 304 stainless steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262909655,"sku":"34846","price":3.99,"currency_code":"USD","in_stock":true}]},{"product_id":"dual-check-valve-14-fpt-14-mpt-304ss-34838","title":"Dual Check Valve, 1\/4 in. Female NPT x 1\/4 in. Male NPT, 304 Stainless Steel","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 34838 is a 1\/4 in. dual check valve in 304 stainless steel with FPT x MPT (female x male NPT) connections. Two check elements in series provide redundant backflow protection for beverage, water, and fluid lines. The compact 304 stainless body threads inline between a female and a male NPT fitting.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e34838\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 x 1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x MPT (Female NPT x Male NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eDual Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInline backflow prevention for beverage, refrigeration, water, and general fluid lines. The valve uses two check elements in series to stop reverse flow; install with the flow arrow pointing downstream and the connections matched to your tubing or pipe.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/4 x 1\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a single or dual check?\u003c\/strong\u003e\u003cbr\u003eA: This is a dual check valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: FPT x MPT (Female NPT x Male NPT).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: 304 stainless steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262942423,"sku":"34838","price":6.99,"currency_code":"USD","in_stock":true}]},{"product_id":"38-barrel-spring-check-valve-949442","title":"3\/8 in. Barrel Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless steel 2-piece barrel-type spring check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-barrel-spring-check-valve-949441\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949441\u003c\/td\u003e\n\u003ctd\u003e$41.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775308503:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-barrel-spring-check-valve-949443\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263040727:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-barrel-spring-check-valve-949444\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949444\u003c\/td\u003e\n\u003ctd\u003e$63.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775374039:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-barrel-spring-check-valve-949447\"\u003e1-1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003ctd\u003e$129.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263204567:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949442 is a 3\/8 in. two-piece barrel-type spring check valve with a CF8M\/CF8 316 stainless steel body. It threads FPT x FPT (female NPT) and uses a stainless disc, NBR seat, and PTFE seal to stop reverse flow in gas, oil, and water service. It is rated to 300 psi WOG over a -14 to 250°F range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e300 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 250°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eN\/A (stainless steel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eSuited to gas, oil, and water systems where a corrosion-resistant stainless check valve is preferred — pump discharge, compressor lines, and skid piping. The spring-loaded barrel design works in any orientation; install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/8 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does it install?\u003c\/strong\u003e\u003cbr\u003ePoint the body flow arrow in the direction of intended flow. The internal spring lets this barrel check operate in horizontal or vertical runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the body material?\u003c\/strong\u003e\u003cbr\u003eCF8M\/CF8 316 stainless steel with a 304 stainless disc and spring — corrosion resistant for gas, oil, and water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pressure and temperature can it handle?\u003c\/strong\u003e\u003cbr\u003e300 psi WOG across a -14 to 250°F range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it seal bubble-tight?\u003c\/strong\u003e\u003cbr\u003eIt uses an NBR seat with a PTFE seal and a spring-loaded barrel poppet for positive shutoff against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262975191,"sku":"949442","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949442_ad5b0dd9-fc5a-4575-8ffe-2ac983736ad5.jpg?v=1778884489"},{"product_id":"14-ss-f-x-f-spring-check-valve-949451","title":"1\/4 in. Stainless Steel Female x Female Spring Check Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949451 is a 1\/4 in. one-piece stainless steel spring check valve with FPT x FPT (female NPT) connections. A spring-loaded spool with a rubber seal opens under forward flow and closes against reverse flow on gas, oil, and water lines. The 316 stainless body is rated to 1500 psi for demanding inline service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949451\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e1500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 300 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Flow Rate\u003c\/td\u003e\n\u003ctd\u003e2.2 gpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrim Material\u003c\/td\u003e\n\u003ctd\u003e304 SS spring \/ CF8M cap \/ 304\/316 SS spool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap\u003c\/td\u003e\n\u003ctd\u003eCF8M Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpool\u003c\/td\u003e\n\u003ctd\u003e304\/316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure backflow prevention in gas, oil, and water lines. The spring-loaded spool cracks open under forward flow and seals on reverse flow, so the valve mounts horizontally or vertically. Install with the flow arrow pointing downstream.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e8605T14\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure can it handle?\u003c\/strong\u003e\u003cbr\u003eA: It is rated to 1500 psi across the -14 to 300 °F range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What media is it rated for?\u003c\/strong\u003e\u003cbr\u003eA: Gas, oil, and water service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the seal material?\u003c\/strong\u003e\u003cbr\u003eA: A rubber seal with a 316 stainless body and 304 stainless spring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow; the spring closes the spool against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263007959,"sku":"949451","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949451_31ebb280-3235-47a5-b396-ca51c5113c30.jpg?v=1778884490"},{"product_id":"12-barrel-spring-check-valve-949443","title":"1\/2 in. Barrel Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless steel 2-piece barrel-type spring check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-barrel-spring-check-valve-949441\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949441\u003c\/td\u003e\n\u003ctd\u003e$41.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775308503:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-barrel-spring-check-valve-949442\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262975191:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-barrel-spring-check-valve-949444\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949444\u003c\/td\u003e\n\u003ctd\u003e$63.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775374039:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-barrel-spring-check-valve-949447\"\u003e1-1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003ctd\u003e$129.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263204567:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949443 is a 1\/2 in. two-piece barrel-type spring check valve with a CF8M\/CF8 316 stainless steel body. It threads FPT x FPT (female NPT) and uses a stainless disc, NBR seat, and PTFE seal to stop reverse flow in gas, oil, and water service. It is rated to 300 psi WOG over a -14 to 250°F range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e300 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 250°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eN\/A (stainless steel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eSuited to gas, oil, and water systems where a corrosion-resistant stainless check valve is preferred — pump discharge, compressor lines, and skid piping. The spring-loaded barrel design works in any orientation; install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/2 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does it install?\u003c\/strong\u003e\u003cbr\u003ePoint the body flow arrow in the direction of intended flow. The internal spring lets this barrel check operate in horizontal or vertical runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the body material?\u003c\/strong\u003e\u003cbr\u003eCF8M\/CF8 316 stainless steel with a 304 stainless disc and spring — corrosion resistant for gas, oil, and water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pressure and temperature can it handle?\u003c\/strong\u003e\u003cbr\u003e300 psi WOG across a -14 to 250°F range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it seal bubble-tight?\u003c\/strong\u003e\u003cbr\u003eIt uses an NBR seat with a PTFE seal and a spring-loaded barrel poppet for positive shutoff against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263040727,"sku":"949443","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949443_a35e500c-7b5b-462e-bca9-38d97bba7ff9.jpg?v=1778884491"},{"product_id":"12-ss-mxf-spring-check-valve-949473","title":"1\/2 in. Stainless Steel Male x Female Spring Check Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949473 is a 1\/2 in. one-piece stainless steel spring check valve with MPT x FPT (male x female NPT) connections. A spring-loaded spool with a rubber seal allows forward flow and closes on reverse flow for gas, oil, and water service. The 316 stainless body is rated to 1500 psi.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949473\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eMPT x FPT (Male x Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e1500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 300 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Flow Rate\u003c\/td\u003e\n\u003ctd\u003e5.5 gpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrim Material\u003c\/td\u003e\n\u003ctd\u003e304 SS spring \/ CF8M cap \/ 304\/316 SS spool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap\u003c\/td\u003e\n\u003ctd\u003eCF8M Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpool\u003c\/td\u003e\n\u003ctd\u003e304\/316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure backflow prevention in gas, oil, and water lines where one male and one female end simplifies the install. Forward flow opens the spring spool; reverse flow seats it. Install with the flow arrow pointing downstream.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/2 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: MPT x FPT, one male NPT end and one female NPT end.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure can it handle?\u003c\/strong\u003e\u003cbr\u003eA: It is rated to 1500 psi across -14 to 300 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the seal material?\u003c\/strong\u003e\u003cbr\u003eA: A rubber seal with a 316 stainless body and 304 stainless spring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow so forward flow opens the spool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263073495,"sku":"949473","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949473_cdf3c60a-b0e0-403a-9e4a-96c52919ff4e.jpg?v=1778884492"},{"product_id":"12-ss-in-line-check-valve-949430","title":"1\/2 in. Stainless Steel Inline Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless Steel Inline Check Valves, 1\/2 in. and 3\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949430\u003c\/td\u003e\n\u003ctd\u003e$49.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-ss-check-valve-949431\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949431\u003c\/td\u003e\n\u003ctd\u003e$73.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775079127:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949430 is a 1\/2 in. inline check valve with FPT x FPT (female NPT) connections and a 304 stainless steel body. A spring-assisted poppet and fluoroelastomer seal open under forward flow and seal against reverse flow. The valve is lead-free, making it suitable for potable water as well as general inline service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eLead-Free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eProvides backflow prevention in horizontal or vertical water and general fluid lines. Forward flow opens the spring-loaded poppet; reverse flow seats it closed. Install with the flow arrow pointing downstream.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003eCVS50\u003c\/strong\u003e, \u003cstrong\u003eRL01-108SA\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is rated lead-free and suitable for potable water lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: A 304 stainless steel body with a fluoroelastomer seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: FPT x FPT female NPT threads on both ends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the poppet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263106263,"sku":"949430","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949430_9707adee-ec91-4c73-85cd-317a2b4f84f9.jpg?v=1778884493"},{"product_id":"34-316-ss-swing-check-valve-949354","title":"3\/4 in. 316 Stainless Steel Swing Check Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949354 is a 3\/4 in. 316 stainless steel swing check valve with FPT x FPT (female NPT) connections. A hinged CF8M stainless disc swings open under forward flow and falls closed against reverse flow, with a PTFE seal for a tight shutoff. It is rated to 200 psi for water and general fluid lines.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949354\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSwing Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003eCF8M 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eCF8M 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003eCF8M 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eBackflow prevention in horizontal water and fluid lines. A swing check relies on gravity and flow to seat the disc, so it should be installed horizontally (or vertically with upward flow) following the flow arrow. The low cracking resistance of a swing disc suits low-pressure-drop pumping systems.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e60SSTH04\u003c\/strong\u003e, \u003cstrong\u003e909 1\u003c\/strong\u003e, \u003cstrong\u003eSC602I\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a swing check differ from a spring check?\u003c\/strong\u003e\u003cbr\u003eA: The disc swings on a hinge and seats by gravity and reverse flow rather than a spring, giving low pressure drop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should it be mounted?\u003c\/strong\u003e\u003cbr\u003eA: Horizontally, or vertically with upward flow, following the flow arrow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body and disc material?\u003c\/strong\u003e\u003cbr\u003eA: CF8M 316 stainless steel body and disc with a PTFE seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the pressure rating?\u003c\/strong\u003e\u003cbr\u003eA: 200 psi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263139031,"sku":"949354","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949354_823d67b7-f61f-4a6d-9d51-c85ff9446bc7.jpg?v=1778884494"},{"product_id":"34-ss-y-spring-check-valve-949484","title":"3\/4 in. Stainless Steel Y Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless Steel Wye (Y) Spring Check Valves, 1\/4 in. through 3\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-ss-y-spring-check-valve-949481\"\u003e1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949481\u003c\/td\u003e\n\u003ctd\u003e$52.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775275735:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-ss-y-spring-check-valve-949482\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949482\u003c\/td\u003e\n\u003ctd\u003e$36.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775177431:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-ss-y-spring-check-valve-949483\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949483\u003c\/td\u003e\n\u003ctd\u003e$47.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775210199:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949484\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949484 is a 3\/4 in. wye-pattern spring check valve with FPT x FPT (female NPT) end connections. The angled Y body uses a spring-loaded poppet to allow flow in one direction and close instantly on reverse flow. A 316 stainless steel body with 304 stainless internals and PTFE seat and seal handles gas, oil, and water service rated to 800 psi WOG.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949484\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eWye (Y) Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e800 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 300 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed for backflow prevention in compressed gas, oil, and water lines where an inline check is needed. The spring holds the disc closed until forward pressure cracks it open, so the valve can be mounted in horizontal or vertical runs. Install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which direction does this valve install?\u003c\/strong\u003e\u003cbr\u003eA: Forward flow must follow the arrow on the body; the spring closes the disc against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body and seal material?\u003c\/strong\u003e\u003cbr\u003eA: A 316 stainless steel body with 304 stainless internals and a PTFE seat and seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure can it handle?\u003c\/strong\u003e\u003cbr\u003eA: It is rated to 800 psi WOG (water, oil, gas) across the operating temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it mount vertically?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Because it is spring-loaded it holds in horizontal or vertical orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263171799,"sku":"949484","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949484_0a929413-e5de-4354-aabd-d99b821e7aa1.jpg?v=1778884495"},{"product_id":"1-12-barrel-spring-check-valve-949447","title":"1-1\/2 in. Barrel Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless steel 2-piece barrel-type spring check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-barrel-spring-check-valve-949441\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949441\u003c\/td\u003e\n\u003ctd\u003e$41.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775308503:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-barrel-spring-check-valve-949442\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262975191:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-barrel-spring-check-valve-949443\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263040727:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-barrel-spring-check-valve-949444\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949444\u003c\/td\u003e\n\u003ctd\u003e$63.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775374039:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1-1\/2 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003ctd\u003e$129.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949447 is a 1-1\/2 in. two-piece barrel-type spring check valve with a CF8M\/CF8 316 stainless steel body. It threads FPT x FPT (female NPT) and uses a stainless disc, NBR seat, and PTFE seal to stop reverse flow in gas, oil, and water service. It is rated to 300 psi WOG over a -14 to 250°F range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1-1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e300 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 250°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eN\/A (stainless steel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eSuited to gas, oil, and water systems where a corrosion-resistant stainless check valve is preferred — pump discharge, compressor lines, and skid piping. The spring-loaded barrel design works in any orientation; install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1-1\/2 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does it install?\u003c\/strong\u003e\u003cbr\u003ePoint the body flow arrow in the direction of intended flow. The internal spring lets this barrel check operate in horizontal or vertical runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the body material?\u003c\/strong\u003e\u003cbr\u003eCF8M\/CF8 316 stainless steel with a 304 stainless disc and spring — corrosion resistant for gas, oil, and water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pressure and temperature can it handle?\u003c\/strong\u003e\u003cbr\u003e300 psi WOG across a -14 to 250°F range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it seal bubble-tight?\u003c\/strong\u003e\u003cbr\u003eIt uses an NBR seat with a PTFE seal and a spring-loaded barrel poppet for positive shutoff against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263204567,"sku":"949447","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949447_c32b6053-2f69-4507-b490-05ba85fb0710.jpg?v=1778884496"},{"product_id":"dual-check-vavle-38-mflx38-mfl-304ss-34845","title":"Dual Check Valve, 3\/8 in. Male Flare x 3\/8 in. Male Flare, 304 Stainless Steel","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 34845 is a 3\/8 in. dual check valve in 304 stainless steel with MFL x MFL (male flare) connections on both ends. Two check elements in series give redundant backflow protection on flared tubing runs such as refrigeration and beverage lines.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e34845\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 x 3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eMFL x MFL (Male Flare x Male Flare)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eDual Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInline backflow prevention for beverage, refrigeration, water, and general fluid lines. The valve uses two check elements in series to stop reverse flow; install with the flow arrow pointing downstream and the connections matched to your tubing or pipe.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/8 x 3\/8 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a single or dual check?\u003c\/strong\u003e\u003cbr\u003eA: This is a dual check valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: MFL x MFL (Male Flare x Male Flare).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: 304 stainless steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646774915287,"sku":"34845","price":3.84,"currency_code":"USD","in_stock":true}]},{"product_id":"single-check-valve-14-mflx14-mfl-304ss-34844","title":"Single Check Valve, 1\/4 in. Male Flare x 1\/4 in. Male Flare, 304 Stainless Steel","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 34844 is a 1\/4 in. single check valve in 304 stainless steel with MFL x MFL (male flare) connections on both ends. A single check element allows forward flow and closes on reverse flow on flared tubing such as refrigeration and beverage lines.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e34844\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 x 1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eMFL x MFL (Male Flare x Male Flare)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSingle Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInline backflow prevention for beverage, refrigeration, water, and general fluid lines. The valve uses a single check element to stop reverse flow; install with the flow arrow pointing downstream and the connections matched to your tubing or pipe.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/4 x 1\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a single or dual check?\u003c\/strong\u003e\u003cbr\u003eA: This is a single check valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: MFL x MFL (Male Flare x Male Flare).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: 304 stainless steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775013591,"sku":"34844","price":7.99,"currency_code":"USD","in_stock":true}]},{"product_id":"34-ss-check-valve-949431","title":"3\/4 in. Stainless Steel Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless Steel Inline Check Valves, 1\/2 in. and 3\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-ss-in-line-check-valve-949430\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949430\u003c\/td\u003e\n\u003ctd\u003e$49.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263106263:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949431\u003c\/td\u003e\n\u003ctd\u003e$73.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949431 is a 3\/4 in. inline check valve with FPT x FPT (female NPT) connections and a 304 stainless steel body. A spring-assisted poppet and fluoroelastomer seal open under forward flow and seal against reverse flow. The valve is lead-free, making it suitable for potable water as well as general inline service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949431\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eLead-Free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003eFluoroelastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eProvides backflow prevention in horizontal or vertical water and general fluid lines. Forward flow opens the spring-loaded poppet; reverse flow seats it closed. Install with the flow arrow pointing downstream.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003eCVS75\u003c\/strong\u003e, \u003cstrong\u003eRL01-108SB\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is rated lead-free and suitable for potable water lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body material?\u003c\/strong\u003e\u003cbr\u003eA: A 304 stainless steel body with a fluoroelastomer seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: FPT x FPT female NPT threads on both ends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which way does it install?\u003c\/strong\u003e\u003cbr\u003eA: Follow the flow arrow on the body so forward flow opens the poppet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775079127,"sku":"949431","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949431.jpg?v=1779367473"},{"product_id":"38-ss-y-spring-check-valve-949482","title":"3\/8 in. Stainless Steel Y Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless Steel Wye (Y) Spring Check Valves, 1\/4 in. through 3\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-ss-y-spring-check-valve-949481\"\u003e1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949481\u003c\/td\u003e\n\u003ctd\u003e$52.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775275735:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949482\u003c\/td\u003e\n\u003ctd\u003e$36.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-ss-y-spring-check-valve-949483\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949483\u003c\/td\u003e\n\u003ctd\u003e$47.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775210199:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-ss-y-spring-check-valve-949484\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949484\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263171799:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949482 is a 3\/8 in. wye-pattern spring check valve with FPT x FPT (female NPT) end connections. The angled Y body uses a spring-loaded poppet to allow flow in one direction and close instantly on reverse flow. A 316 stainless steel body with 304 stainless internals and PTFE seat and seal handles gas, oil, and water service rated to 800 psi WOG.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949482\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eWye (Y) Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e800 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 300 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed for backflow prevention in compressed gas, oil, and water lines where an inline check is needed. The spring holds the disc closed until forward pressure cracks it open, so the valve can be mounted in horizontal or vertical runs. Install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/8 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which direction does this valve install?\u003c\/strong\u003e\u003cbr\u003eA: Forward flow must follow the arrow on the body; the spring closes the disc against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body and seal material?\u003c\/strong\u003e\u003cbr\u003eA: A 316 stainless steel body with 304 stainless internals and a PTFE seat and seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure can it handle?\u003c\/strong\u003e\u003cbr\u003eA: It is rated to 800 psi WOG (water, oil, gas) across the operating temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it mount vertically?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Because it is spring-loaded it holds in horizontal or vertical orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775177431,"sku":"949482","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949482.jpg?v=1779367474"},{"product_id":"12-ss-y-spring-check-valve-949483","title":"1\/2 in. Stainless Steel Y Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless Steel Wye (Y) Spring Check Valves, 1\/4 in. through 3\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-ss-y-spring-check-valve-949481\"\u003e1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949481\u003c\/td\u003e\n\u003ctd\u003e$52.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775275735:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-ss-y-spring-check-valve-949482\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949482\u003c\/td\u003e\n\u003ctd\u003e$36.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775177431:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949483\u003c\/td\u003e\n\u003ctd\u003e$47.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-ss-y-spring-check-valve-949484\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949484\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263171799:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949483 is a 1\/2 in. wye-pattern spring check valve with FPT x FPT (female NPT) end connections. The angled Y body uses a spring-loaded poppet to allow flow in one direction and close instantly on reverse flow. A 316 stainless steel body with 304 stainless internals and PTFE seat and seal handles gas, oil, and water service rated to 800 psi WOG.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949483\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eWye (Y) Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e800 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 300 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed for backflow prevention in compressed gas, oil, and water lines where an inline check is needed. The spring holds the disc closed until forward pressure cracks it open, so the valve can be mounted in horizontal or vertical runs. Install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/2 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which direction does this valve install?\u003c\/strong\u003e\u003cbr\u003eA: Forward flow must follow the arrow on the body; the spring closes the disc against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body and seal material?\u003c\/strong\u003e\u003cbr\u003eA: A 316 stainless steel body with 304 stainless internals and a PTFE seat and seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure can it handle?\u003c\/strong\u003e\u003cbr\u003eA: It is rated to 800 psi WOG (water, oil, gas) across the operating temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it mount vertically?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Because it is spring-loaded it holds in horizontal or vertical orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775210199,"sku":"949483","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949483.jpg?v=1779367476"},{"product_id":"14-ss-y-spring-check-valve-949481","title":"1\/4 in. Stainless Steel Y Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless Steel Wye (Y) Spring Check Valves, 1\/4 in. through 3\/4 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949481\u003c\/td\u003e\n\u003ctd\u003e$52.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-ss-y-spring-check-valve-949482\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949482\u003c\/td\u003e\n\u003ctd\u003e$36.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775177431:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-ss-y-spring-check-valve-949483\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949483\u003c\/td\u003e\n\u003ctd\u003e$47.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775210199:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-ss-y-spring-check-valve-949484\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949484\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263171799:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949481 is a 1\/4 in. wye-pattern spring check valve with FPT x FPT (female NPT) end connections. The angled Y body uses a spring-loaded poppet to allow flow in one direction and close instantly on reverse flow. A 316 stainless steel body with 304 stainless internals and PTFE seat and seal handles gas, oil, and water service rated to 800 psi WOG.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949481\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (Female NPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eWye (Y) Spring Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e800 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 300 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed for backflow prevention in compressed gas, oil, and water lines where an inline check is needed. The spring holds the disc closed until forward pressure cracks it open, so the valve can be mounted in horizontal or vertical runs. Install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which direction does this valve install?\u003c\/strong\u003e\u003cbr\u003eA: Forward flow must follow the arrow on the body; the spring closes the disc against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body and seal material?\u003c\/strong\u003e\u003cbr\u003eA: A 316 stainless steel body with 304 stainless internals and a PTFE seat and seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure can it handle?\u003c\/strong\u003e\u003cbr\u003eA: It is rated to 800 psi WOG (water, oil, gas) across the operating temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it mount vertically?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Because it is spring-loaded it holds in horizontal or vertical orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775275735,"sku":"949481","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949481.jpg?v=1779367478"},{"product_id":"14-barrel-spring-check-valve-949441","title":"1\/4 in. Barrel Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless steel 2-piece barrel-type spring check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949441\u003c\/td\u003e\n\u003ctd\u003e$41.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-barrel-spring-check-valve-949442\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262975191:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-barrel-spring-check-valve-949443\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263040727:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/34-barrel-spring-check-valve-949444\"\u003e3\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949444\u003c\/td\u003e\n\u003ctd\u003e$63.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775374039:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-barrel-spring-check-valve-949447\"\u003e1-1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003ctd\u003e$129.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263204567:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949441 is a 1\/4 in. two-piece barrel-type spring check valve with a CF8M\/CF8 316 stainless steel body. It threads FPT x FPT (female NPT) and uses a stainless disc, NBR seat, and PTFE seal to stop reverse flow in gas, oil, and water service. It is rated to 300 psi WOG over a -14 to 250°F range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949441\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e300 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 250°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eN\/A (stainless steel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eSuited to gas, oil, and water systems where a corrosion-resistant stainless check valve is preferred — pump discharge, compressor lines, and skid piping. The spring-loaded barrel design works in any orientation; install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does it install?\u003c\/strong\u003e\u003cbr\u003ePoint the body flow arrow in the direction of intended flow. The internal spring lets this barrel check operate in horizontal or vertical runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the body material?\u003c\/strong\u003e\u003cbr\u003eCF8M\/CF8 316 stainless steel with a 304 stainless disc and spring — corrosion resistant for gas, oil, and water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pressure and temperature can it handle?\u003c\/strong\u003e\u003cbr\u003e300 psi WOG across a -14 to 250°F range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it seal bubble-tight?\u003c\/strong\u003e\u003cbr\u003eIt uses an NBR seat with a PTFE seal and a spring-loaded barrel poppet for positive shutoff against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775308503,"sku":"949441","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949441.jpg?v=1779367479"},{"product_id":"34-barrel-spring-check-valve-949444","title":"3\/4 in. Barrel Spring Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eStainless steel 2-piece barrel-type spring check valves. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-barrel-spring-check-valve-949441\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949441\u003c\/td\u003e\n\u003ctd\u003e$41.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775308503:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-barrel-spring-check-valve-949442\"\u003e3\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003ctd\u003e$34.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629262975191:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-barrel-spring-check-valve-949443\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003ctd\u003e$44.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263040727:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e949444\u003c\/td\u003e\n\u003ctd\u003e$63.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-12-barrel-spring-check-valve-949447\"\u003e1-1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003ctd\u003e$129.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48629263204567:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 949444 is a 3\/4 in. two-piece barrel-type spring check valve with a CF8M\/CF8 316 stainless steel body. It threads FPT x FPT (female NPT) and uses a stainless disc, NBR seat, and PTFE seal to stop reverse flow in gas, oil, and water service. It is rated to 300 psi WOG over a -14 to 250°F range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e949444\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFPT x FPT (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e300 psi WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-14 to 250°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eN\/A (stainless steel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCF8M\/CF8 316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eSuited to gas, oil, and water systems where a corrosion-resistant stainless check valve is preferred — pump discharge, compressor lines, and skid piping. The spring-loaded barrel design works in any orientation; install with the flow arrow pointing in the direction of intended flow.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does it install?\u003c\/strong\u003e\u003cbr\u003ePoint the body flow arrow in the direction of intended flow. The internal spring lets this barrel check operate in horizontal or vertical runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the body material?\u003c\/strong\u003e\u003cbr\u003eCF8M\/CF8 316 stainless steel with a 304 stainless disc and spring — corrosion resistant for gas, oil, and water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pressure and temperature can it handle?\u003c\/strong\u003e\u003cbr\u003e300 psi WOG across a -14 to 250°F range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it seal bubble-tight?\u003c\/strong\u003e\u003cbr\u003eIt uses an NBR seat with a PTFE seal and a spring-loaded barrel poppet for positive shutoff against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775374039,"sku":"949444","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_949444.jpg?v=1779367481"},{"product_id":"38-hb-x-14-mip-alum-anti-siphon-valve-46531a","title":"3\/8 in. Hose Barb x 1\/4 in. Male NPT Aluminum Anti-Siphon Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eAluminum Anti-Siphon Valves, 3\/8 in. and 1\/2 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46531A\u003c\/td\u003e\n\u003ctd\u003e$9.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-hb-x-38-mip-alum-anti-siphon-valve-46533a\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46533A\u003c\/td\u003e\n\u003ctd\u003e$18.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775668951:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46531A is a 3\/8 in. aluminum anti-siphon valve with 3\/8 in. Hose Barb x 1\/4 in. Male NPT connections. The valve admits air to break a vacuum and prevent back-siphoning of liquid into a supply line. Its lightweight aluminum body is built for hose-fed sprayer, fuel, and equipment plumbing.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46531A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e3\/8 x 1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003e3\/8 in. Hose Barb x 1\/4 in. Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eAnti-Siphon (Vacuum Breaker) Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled on hose-barb fed lines such as sprayers, fuel transfer, and equipment plumbing to prevent back-siphoning. The valve opens to atmosphere when line pressure drops, breaking any siphon and stopping reverse flow of liquid into the supply.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (3\/8 x 1\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does an anti-siphon valve do?\u003c\/strong\u003e\u003cbr\u003eA: It breaks a vacuum by admitting air, preventing liquid from being siphoned back into the supply line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: 3\/8 in. Hose Barb x 1\/4 in. Male NPT.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body made of?\u003c\/strong\u003e\u003cbr\u003eA: A lightweight aluminum body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where is it typically used?\u003c\/strong\u003e\u003cbr\u003eA: Hose-fed sprayer, fuel, and equipment lines that need siphon protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775439575,"sku":"46531A","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46530A.jpg?v=1780194977"},{"product_id":"14-hb-x-14-mip-brass-check-valve-46529","title":"1\/4 in. Hose Barb x 1\/4 in. Male NPT Brass Check Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46529 is a 1\/4 in. brass marine anti-siphon check valve with a 1\/4 in. hose barb inlet and a 1\/4 in. male NPT outlet. It prevents siphoning and backflow in low-pressure marine and equipment plumbing, allowing flow in one direction only. The brass body resists corrosion in marine environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46529\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eHose Barb x 1\/4 in. Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eAnti-siphon check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eCommon in marine fuel-vent and bilge plumbing and other low-pressure equipment lines where siphoning must be prevented. Connect the hose to the barbed inlet and thread the male NPT end into the receiving port; flow passes from the barb toward the threaded end.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/4 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich direction does it flow?\u003c\/strong\u003e\u003cbr\u003eFlow runs from the hose-barb inlet to the male NPT outlet; it blocks reverse flow and siphoning back toward the barb.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat connections does it have?\u003c\/strong\u003e\u003cbr\u003eA 1\/4 in. hose barb on one end and a 1\/4 in. male NPT on the other.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. The brass body contains lead and is not certified lead-free.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a final-sale item?\u003c\/strong\u003e\u003cbr\u003eYes. This is an imported, final-sale anti-siphon valve; confirm fit before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775570647,"sku":"46529","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46529.jpg?v=1779367484"},{"product_id":"12-hb-x-38-mip-alum-anti-siphon-valve-46533a","title":"1\/2 in. Hose Barb x 3\/8 in. Male NPT Aluminum Anti-Siphon Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003eAluminum Anti-Siphon Valves, 3\/8 in. and 1\/2 in. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/38-hb-x-14-mip-alum-anti-siphon-valve-46531a\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46531A\u003c\/td\u003e\n\u003ctd\u003e$9.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775439575:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46533A\u003c\/td\u003e\n\u003ctd\u003e$18.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46533A is a 1\/2 in. aluminum anti-siphon valve with 1\/2 in. Hose Barb x 3\/8 in. Male NPT connections. The valve admits air to break a vacuum and prevent back-siphoning of liquid into a supply line. Its lightweight aluminum body is built for hose-fed sprayer, fuel, and equipment plumbing.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46533A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 x 3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003e1\/2 in. Hose Barb x 3\/8 in. Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eAnti-Siphon (Vacuum Breaker) Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eNot specified by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eInstalled on hose-barb fed lines such as sprayers, fuel transfer, and equipment plumbing to prevent back-siphoning. The valve opens to atmosphere when line pressure drops, breaking any siphon and stopping reverse flow of liquid into the supply.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eReplacing a competitor check valve? Match nominal size (1\/2 x 3\/8 in.), connections, and rating. Send us the part number you are crossing from and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does an anti-siphon valve do?\u003c\/strong\u003e\u003cbr\u003eA: It breaks a vacuum by admitting air, preventing liquid from being siphoned back into the supply line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the connections?\u003c\/strong\u003e\u003cbr\u003eA: 1\/2 in. Hose Barb x 3\/8 in. Male NPT.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the body made of?\u003c\/strong\u003e\u003cbr\u003eA: A lightweight aluminum body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where is it typically used?\u003c\/strong\u003e\u003cbr\u003eA: Hose-fed sprayer, fuel, and equipment lines that need siphon protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775668951,"sku":"46533A","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46530A_3db9552f-417a-472f-a9aa-333d7e552689.jpg?v=1780194990"},{"product_id":"18-fxf-500-psi-check-valve-46560","title":"1\/8 in. Female x Female 500 PSI Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003e500 PSI Female x Female brass check valves with Buna-N (NBR) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/8 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46560\u003c\/td\u003e\n\u003ctd\u003e$26.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-fxf-500psi-check-valve-46561\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46561\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775832791:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-fxf-500-psi-check-valve-46563\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46563\u003c\/td\u003e\n\u003ctd\u003e$53.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775931095:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46560 is a 1\/8 in. female x female brass check valve rated to 500 psi. It uses FIP x FIP (female NPT) connections on both ends and a spring-loaded poppet to allow flow in one direction while blocking reverse flow. This version is sealed with a Buna-N (NBR) elastomer for general-purpose air, oil, and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46560\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFIP x FIP (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSpring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed wherever backflow must be prevented downstream of pumps, compressors, and metering points in air, oil, and water lines. Install with the flow arrow pointing in the direction of intended flow; the spring closes the poppet the instant flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e6500090\u003c\/strong\u003e. Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this check valve install?\u003c\/strong\u003e\u003cbr\u003eInstall it so the arrow on the body points in the direction of desired flow. The spring-loaded poppet opens with forward flow and closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which seal do I need?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) handles general air, oil, and water service. Viton (FKM) resists higher temperatures and a wider range of chemicals and fuels. Both versions of this 500 psi valve carry the same 180°F rating; choose Viton for chemical compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e500 psi, with a maximum service temperature of 180°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. This brass valve contains lead and is not certified lead-free, so it is not intended for potable drinking-water systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775800023,"sku":"46560","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46560.jpg?v=1779367486"},{"product_id":"14-fxf-500psi-check-valve-46561","title":"1\/4 in. Female x Female 500 PSI Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003e500 PSI Female x Female brass check valves with Buna-N (NBR) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/18-fxf-500-psi-check-valve-46560\"\u003e1\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46560\u003c\/td\u003e\n\u003ctd\u003e$26.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775800023:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46561\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/12-fxf-500-psi-check-valve-46563\"\u003e1\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46563\u003c\/td\u003e\n\u003ctd\u003e$53.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775931095:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46561 is a 1\/4 in. female x female brass check valve rated to 500 psi. It uses FIP x FIP (female NPT) connections on both ends and a spring-loaded poppet to allow flow in one direction while blocking reverse flow. This version is sealed with a Buna-N (NBR) elastomer for general-purpose air, oil, and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46561\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFIP x FIP (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSpring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed wherever backflow must be prevented downstream of pumps, compressors, and metering points in air, oil, and water lines. Install with the flow arrow pointing in the direction of intended flow; the spring closes the poppet the instant flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e6490090\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this check valve install?\u003c\/strong\u003e\u003cbr\u003eInstall it so the arrow on the body points in the direction of desired flow. The spring-loaded poppet opens with forward flow and closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which seal do I need?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) handles general air, oil, and water service. Viton (FKM) resists higher temperatures and a wider range of chemicals and fuels. Both versions of this 500 psi valve carry the same 180°F rating; choose Viton for chemical compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e500 psi, with a maximum service temperature of 180°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. This brass valve contains lead and is not certified lead-free, so it is not intended for potable drinking-water systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775832791,"sku":"46561","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46561.jpg?v=1779367487"},{"product_id":"12-fxf-500-psi-check-valve-46563","title":"1\/2 in. Female x Female 500 PSI Check Valve","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003e500 PSI Female x Female brass check valves with Buna-N (NBR) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/18-fxf-500-psi-check-valve-46560\"\u003e1\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46560\u003c\/td\u003e\n\u003ctd\u003e$26.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775800023:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-fxf-500psi-check-valve-46561\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46561\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775832791:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/2 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46563\u003c\/td\u003e\n\u003ctd\u003e$53.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46563 is a 1\/2 in. female x female brass check valve rated to 500 psi. It uses FIP x FIP (female NPT) connections on both ends and a spring-loaded poppet to allow flow in one direction while blocking reverse flow. This version is sealed with a Buna-N (NBR) elastomer for general-purpose air, oil, and water service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46563\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFIP x FIP (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSpring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed wherever backflow must be prevented downstream of pumps, compressors, and metering points in air, oil, and water lines. Install with the flow arrow pointing in the direction of intended flow; the spring closes the poppet the instant flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e6540090\u003c\/strong\u003e, \u003cstrong\u003eCLB-3434\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this check valve install?\u003c\/strong\u003e\u003cbr\u003eInstall it so the arrow on the body points in the direction of desired flow. The spring-loaded poppet opens with forward flow and closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which seal do I need?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) handles general air, oil, and water service. Viton (FKM) resists higher temperatures and a wider range of chemicals and fuels. Both versions of this 500 psi valve carry the same 180°F rating; choose Viton for chemical compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e500 psi, with a maximum service temperature of 180°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. This brass valve contains lead and is not certified lead-free, so it is not intended for potable drinking-water systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775931095,"sku":"46563","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46563.jpg?v=1779367489"},{"product_id":"18-fxf-500-psi-check-wviton-46560v","title":"1\/8 in. Female x Female 500 PSI Check Valve with Viton","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003e500 PSI Female x Female brass check valves with Viton (FKM) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/8 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46560V\u003c\/td\u003e\n\u003ctd\u003e$26.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/14-fxf-500-psi-check-wviton-46561v\"\u003e1\/4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46561V\u003c\/td\u003e\n\u003ctd\u003e$31.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775996631:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46560V is a 1\/8 in. female x female brass check valve rated to 500 psi. It uses FIP x FIP (female NPT) connections on both ends and a spring-loaded poppet to allow flow in one direction while blocking reverse flow. This version is sealed with a Viton (FKM) elastomer for higher-temperature and chemical-resistant service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46560V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFIP x FIP (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSpring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed wherever backflow must be prevented downstream of pumps, compressors, and metering points in air, oil, and water lines. Install with the flow arrow pointing in the direction of intended flow; the spring closes the poppet the instant flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e6500290\u003c\/strong\u003e. Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this check valve install?\u003c\/strong\u003e\u003cbr\u003eInstall it so the arrow on the body points in the direction of desired flow. The spring-loaded poppet opens with forward flow and closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which seal do I need?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) handles general air, oil, and water service. Viton (FKM) resists higher temperatures and a wider range of chemicals and fuels. Both versions of this 500 psi valve carry the same 180°F rating; choose Viton for chemical compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e500 psi, with a maximum service temperature of 180°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. This brass valve contains lead and is not certified lead-free, so it is not intended for potable drinking-water systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775963863,"sku":"46560V","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46560V.jpg?v=1779367491"},{"product_id":"14-fxf-500-psi-check-wviton-46561v","title":"1\/4 in. Female x Female 500 PSI Check Valve with Viton","description":"\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eSizes in This Series\u003c\/h3\u003e\n\u003cp\u003e500 PSI Female x Female brass check valves with Viton (FKM) seal. Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/18-fxf-500-psi-check-wviton-46560v\"\u003e1\/8\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e46560V\u003c\/td\u003e\n\u003ctd\u003e$26.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48646775963863:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46561V\u003c\/td\u003e\n\u003ctd\u003e$31.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eMidland Industries 46561V is a 1\/4 in. female x female brass check valve rated to 500 psi. It uses FIP x FIP (female NPT) connections on both ends and a spring-loaded poppet to allow flow in one direction while blocking reverse flow. This version is sealed with a Viton (FKM) elastomer for higher-temperature and chemical-resistant service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMidland Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e46561V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFIP x FIP (female NPT both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSpring check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e180°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Content\u003c\/td\u003e\n\u003ctd\u003eContains lead (not certified lead-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials of Construction\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal Material\u003c\/td\u003e\n\u003ctd\u003eFKM \/ Viton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eUsed wherever backflow must be prevented downstream of pumps, compressors, and metering points in air, oil, and water lines. Install with the flow arrow pointing in the direction of intended flow; the spring closes the poppet the instant flow reverses.\u003c\/p\u003e\n\u003ch3\u003eCross-Reference and Interchange\u003c\/h3\u003e\n\u003cp\u003eThis valve cross-references to these competitor and industry part numbers: \u003cstrong\u003e6490290\u003c\/strong\u003e . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch3\u003eSizing and Installation Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/npt-thread-tightening-turns-past-hand-tight\"\u003eNPT Thread Tightening: Turns Past Hand Tight\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/teflon-tape-vs-pipe-dope\"\u003eTeflon Tape vs. Pipe Dope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich way does this check valve install?\u003c\/strong\u003e\u003cbr\u003eInstall it so the arrow on the body points in the direction of desired flow. The spring-loaded poppet opens with forward flow and closes against reverse flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNBR or Viton — which seal do I need?\u003c\/strong\u003e\u003cbr\u003eNBR (Buna-N) handles general air, oil, and water service. Viton (FKM) resists higher temperatures and a wider range of chemicals and fuels. Both versions of this 500 psi valve carry the same 180°F rating; choose Viton for chemical compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pressure rating?\u003c\/strong\u003e\u003cbr\u003e500 psi, with a maximum service temperature of 180°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve lead-free?\u003c\/strong\u003e\u003cbr\u003eNo. This brass valve contains lead and is not certified lead-free, so it is not intended for potable drinking-water systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48646775996631,"sku":"46561V","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46561V.jpg?v=1779367492"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/collections\/MIDLANDINDUSTRIES_46561V.jpg?v=1780110578","url":"https:\/\/apexflowsolutions.com\/collections\/check-valves.oembed","provider":"Apex Flow Solutions","version":"1.0","type":"link"}