{"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","url":"https:\/\/apexflowsolutions.com\/products\/12-brass-in-line-check-valve-nbr-944403","provider":"Apex Flow Solutions","version":"1.0","type":"link"}