{"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","url":"https:\/\/apexflowsolutions.com\/products\/12-inline-fxf-pvc-spring-load-chk-vlv-940331","provider":"Apex Flow Solutions","version":"1.0","type":"link"}