{"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","url":"https:\/\/apexflowsolutions.com\/products\/14-fxf-500-psi-check-wviton-46561v","provider":"Apex Flow Solutions","version":"1.0","type":"link"}