{"title":"Valves","description":"\u003cp\u003eIndustrial valves for shutoff, isolation, backflow prevention, and flow control. Apex Flow Solutions stocks ball, check, gate, butterfly, globe, and needle valves in brass, 316 stainless steel, PVC, and ductile iron, from 1\/8 in. instrument sizes up to large flanged waterworks bodies. Every valve is sold by the single unit with no minimum, the real part number on every listing, and flat, itemized shipping shown before checkout.\u003c\/p\u003e\u003ch3\u003eShop valves by type\u003c\/h3\u003e\u003cp\u003e\u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/ball-valves\"\u003eBall valves\u003c\/a\u003e are the go-to for quick quarter-turn on\/off isolation, and we split them into \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/brass-ball-valves\"\u003ebrass\u003c\/a\u003e, \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/stainless-steel-valves\"\u003estainless\u003c\/a\u003e, \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/pvc-cpvc-ball-valves\"\u003ePVC and CPVC\u003c\/a\u003e, \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/3-way-ball-valves\"\u003e3-way\u003c\/a\u003e, \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/mini-ball-valves\"\u003emini\u003c\/a\u003e, and \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/lead-free-valves\"\u003elead-free\u003c\/a\u003e lines. \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/check-valves\"\u003eCheck valves\u003c\/a\u003e stop backflow automatically. \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/gate-valves\"\u003eGate valves\u003c\/a\u003e give full-bore isolation on water and larger lines. \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/butterfly-valves\"\u003eButterfly valves\u003c\/a\u003e handle large-diameter flow in a compact body. \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/globe-valves\"\u003eGlobe\u003c\/a\u003e and \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/needle-valves\"\u003eneedle valves\u003c\/a\u003e are built for throttling and fine flow control, and \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/pvc-valves\"\u003ePVC valves\u003c\/a\u003e cover chemical and low-pressure water service. Need parts? See \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/valve-handles-accessories\"\u003evalve handles and accessories\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eHow to choose the right valve\u003c\/h3\u003e\u003cp\u003eFor simple on\/off isolation, use a ball valve for fast quarter-turn service or a gate valve where you want full unrestricted bore and infrequent operation. For throttling or precise flow adjustment, choose a globe or needle valve, since ball and gate valves are not made to sit partly open. To prevent reverse flow and protect a pump, use a check valve, which acts automatically with no handle. On large water, HVAC, or fire lines, butterfly and wafer-style valves save weight and space.\u003c\/p\u003e\u003ch3\u003eChoosing a material\u003c\/h3\u003e\u003cp\u003eBrass suits water, air, oil, and compatible gas at moderate pressures. 316 stainless resists chlorine, acids, and corrosive process media that attack brass. PVC and CPVC are the low-cost choice for chemical dosing and low-pressure water. Ductile iron covers large-diameter municipal water and fire-protection duty. If lead-free compliance matters for potable water, start with the \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/lead-free-valves\"\u003elead-free valves\u003c\/a\u003e collection.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eBall valve or gate valve for shutoff?\u003c\/h4\u003e\u003cp\u003eA ball valve opens and closes in a quarter turn and seals tightly, which makes it the better everyday isolation valve. A gate valve offers a full unobstructed bore with almost no pressure drop, which suits large water mains and lines that stay open most of the time.\u003c\/p\u003e\u003ch4\u003eWhich valve stops backflow?\u003c\/h4\u003e\u003cp\u003eA check valve. It opens under forward flow and closes automatically against reverse flow, with no operator action. Browse the full range in \u003ca style=\"color:#FE8C03;text-decoration:underline\" href=\"\/collections\/check-valves\"\u003echeck valves\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"12-white-pvc-socket-vlv-940294","title":"1\/2 in. White PVC Socket Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. White PVC Socket Valve\u003c\/strong\u003e (#940294) is a PVC Schedule standard ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule standard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld \/ IPS glue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940294\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule standard body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld \/ IPS glue) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629259894999,"sku":"940294","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940281.jpg?v=1780194483"},{"product_id":"12-socket-sch-80-pvc-ball-valve-899050","title":"1\/2 in. Socket Schedule 80 PVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Socket Schedule 80 PVC Ball Valve\u003c\/strong\u003e (#899050) is a PVC Schedule 80 ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule 80\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld \/ IPS glue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e899050\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule 80 body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld \/ IPS glue) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629259927767,"sku":"899050","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_899050.jpg?v=1780548780"},{"product_id":"12-fip-sch-80-pvc-ball-valve-899000","title":"1\/2 in. Female NPT Schedule 80 PVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Female NPT Schedule 80 PVC Ball Valve\u003c\/strong\u003e (#899000) is a PVC Schedule 80 ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule 80\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e899000\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule 80 body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629259960535,"sku":"899000","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_899000_05eeecfe-cb96-4ca9-ad6f-b1aad2d08e80.jpg?v=1780548782"},{"product_id":"12-cpvc-ball-valve-940281","title":"1\/2 in. CPVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. CPVC Ball Valve\u003c\/strong\u003e (#940281) is a CPVC (Chlorinated PVC) ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. CPVC construction extends the service temperature ceiling to 200°F and improves resistance to chlorinated water, oxidizers, and many acids. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eCPVC (Chlorinated PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 200°F (−26°C to 93°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940281\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCPVC (Chlorinated PVC) body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. CPVC models are preferred for hot water lines, steam-traced chemical piping, and high-temperature chemical services.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629259993303,"sku":"940281","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940281_3fd90b93-59a7-4321-8b0f-c282fc2a6d1d.jpg?v=1780548784"},{"product_id":"34-fip-sch-80-pvc-ball-valve-899001","title":"3\/4 in. Female NPT Schedule 80 PVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e3\/4 in. Female NPT Schedule 80 PVC Ball Valve\u003c\/strong\u003e (#899001) is a PVC Schedule 80 ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule 80\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e899001\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule 80 body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260091607,"sku":"899001","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_899000.jpg?v=1780194494"},{"product_id":"1-14-white-pvc-ips-ball-vlv-940287","title":"1-1\/4 in. White PVC IPS Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1-1\/4 in. White PVC IPS Ball Valve\u003c\/strong\u003e (#940287) is a PVC Schedule standard ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule standard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld \/ IPS glue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940287\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule standard body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld \/ IPS glue) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260124375,"sku":"940287","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940287.jpg?v=1780548786"},{"product_id":"1-12-white-ips-pvc-ball-vlv-940288","title":"1-1\/2 in. White IPS PVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1-1\/2 in. White IPS PVC Ball Valve\u003c\/strong\u003e (#940288) is a PVC Schedule standard ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule standard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld \/ IPS glue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940288\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule standard body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld \/ IPS glue) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260157143,"sku":"940288","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940288.jpg?v=1780548788"},{"product_id":"1-14-fip-sch-80-pvc-ball-valve-899003","title":"1-1\/4 in. Female NPT Schedule 80 PVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1-1\/4 in. Female NPT Schedule 80 PVC Ball Valve\u003c\/strong\u003e (#899003) is a PVC Schedule 80 ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule 80\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e899003\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule 80 body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260189911,"sku":"899003","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_899000_9e6e3524-08b3-4b9b-8ba5-550c51870a87.jpg?v=1780194507"},{"product_id":"1-12-sckt-sch-80-pvc-ball-valve-899054","title":"1-1\/2 in. Socket Schedule 80 PVC Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1-1\/2 in. Socket Schedule 80 PVC Ball Valve\u003c\/strong\u003e (#899054) is a PVC Schedule 80 ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule 80\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld \/ IPS glue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e899054\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule 80 body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld \/ IPS glue) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260222679,"sku":"899054","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_899054.jpg?v=1780548791"},{"product_id":"2-12-sch-40-socket-ball-valve-940300","title":"2-1\/2 in. Schedule 40 Socket Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e2-1\/2 in. Schedule 40 Socket Ball Valve\u003c\/strong\u003e (#940300) is a PVC Schedule 40 ball valve for corrosive chemical, water treatment, and industrial fluid handling applications where metal valves would corrode. Quarter-turn operation, lightweight body, and non-metallic wetted parts make it a standard choice in chemical dosing systems, water treatment plants, and irrigation infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC Schedule 40\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBall \/ Seat Material\u003c\/td\u003e\n\u003ctd\u003ePVC ball \/ PTFE or EPDM seats\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld \/ IPS glue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940300\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC Schedule 40 body — corrosion-proof for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eTrue union or full-port design for unrestricted flow\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eEPDM or PTFE seats (compatible with wide chemical range)\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld \/ IPS glue) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight — significantly less mass than equivalent metal valves\u003c\/li\u003e\n  \u003cli\u003eNSF listed options available for potable water contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard in water treatment chemical dosing systems, municipal water distribution, irrigation manifolds, swimming pool and spa plumbing, RO (reverse osmosis) systems, and industrial chemical handling piping. PVC models are the economical choice for ambient-temperature chemical service.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Valve Chemical Compatibility Chart\u003c\/a\u003e — Check your media before specifying\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-schedule-40-vs-80-fittings\"\u003ePVC Schedule 40 vs. Schedule 80\u003c\/a\u003e — Wall thickness and pressure rating guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — Material selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-cpvc-ball-valves\"\u003eShop PVC \u0026amp; CPVC Ball Valves\u003c\/a\u003e — Full size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629260255447,"sku":"940300","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_940300.jpg?v=1780548793"},{"product_id":"12-glue-inlne-plastic-ck-vlv-940325","title":"1\/2 in. Glue Inline Plastic Check Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Glue Inline Plastic Check Valve\u003c\/strong\u003e (#940325) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Socket (glue) ends integrate directly into standard PVC piping systems without additional adapters.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940325\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Inline Female x Female PVC Spring-Loaded Check Valve\u003c\/strong\u003e (#940331) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Female NPT connections allow direct threaded installation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940331\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e3\/4 in. Female x Female PVC Inline Spring-Loaded Check Valve\u003c\/strong\u003e (#940332) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Female NPT connections allow direct threaded installation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940332\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e3\/4 in. Glue Inline Plastic Check Valve\u003c\/strong\u003e (#940326) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Socket (glue) ends integrate directly into standard PVC piping systems without additional adapters.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940326\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1-1\/4 in. Inline Female x Female PVC Spring-Loaded Check Valve\u003c\/strong\u003e (#940334) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Female NPT connections allow direct threaded installation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940334\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eFemale NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1-1\/4 in. Glue Inline Plastic Check Valve\u003c\/strong\u003e (#940328) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Socket (glue) ends integrate directly into standard PVC piping systems without additional adapters.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940328\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1-1\/2 in. Glue Inline Plastic Check Valve\u003c\/strong\u003e (#940329) is a PVC spring-loaded check valve for backflow prevention in chemical dosing, water treatment, and corrosive-fluid piping. Non-metallic PVC construction resists chlorine, most acids, bases, and oxidizers that would attack metal check valves. Socket (glue) ends integrate directly into standard PVC piping systems without additional adapters.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003ePVC (Schedule 80 construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ Ball\u003c\/td\u003e\n\u003ctd\u003eEPDM or Viton (chemical dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSocket (solvent weld)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 PSI at 73°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−15°F to 140°F (−26°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e940329\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC body — corrosion-resistant for most acids, bases, and chlorinated water\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded poppet — automatic closure on flow reversal\u003c\/li\u003e\n  \u003cli\u003eSocket (solvent weld) connections\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-metallic — no galvanic corrosion risk\u003c\/li\u003e\n  \u003cli\u003eEPDM or Viton ball\/seat — check compatibility chart for your media\u003c\/li\u003e\n  \u003cli\u003eTransparent or translucent body options available for visual flow confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard backflow preventer in water treatment chemical dosing lines, RO system reject lines, irrigation chemical injection, swimming pool chemical feeders, and any PVC piping system requiring one-way flow protection. PVC construction ensures compatibility with sodium hypochlorite, muriatic acid, sodium bisulfite, and other common water treatment chemicals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e — Spring, swing, ball check comparison\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/pvc-valve-chemical-compatibility-chart\"\u003ePVC Chemical Compatibility Chart\u003c\/a\u003e — Verify your media\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/pvc-check-valves\"\u003eShop PVC Check Valves\u003c\/a\u003e — Full PVC check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1\/8 in. Inline Check Valve, Vertical or Horizontal\u003c\/strong\u003e (#947140) is a spring-loaded brass inline check valve that allows flow in one direction and closes automatically to prevent backflow. Buna-N (NBR) seals suit water, oils, and many chemical services. Compact inline body installs in any orientation — vertical or horizontal — without special mounting.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass body\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ O-ring\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150–500 PSI depending on model\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 250°F (−29°C to 121°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eAny orientation (vertical or horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e947140\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass body \/ Stainless spring construction\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically when flow stops or reverses\u003c\/li\u003e\n  \u003cli\u003eInstall in any orientation — vertical or horizontal\u003c\/li\u003e\n  \u003cli\u003eBuna-N (NBR) seals — compatible with water, oils, and most process fluids\u003c\/li\u003e\n  \u003cli\u003eCracking pressure factory-set for reliable sealing\u003c\/li\u003e\n  \u003cli\u003eCompact inline form factor — minimal installation space required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed as backflow preventers in chemical metering pump systems, water treatment injection points, pump discharge lines, and process piping where reverse flow would contaminate upstream systems or damage equipment.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Understand the differences\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/brass-check-valves\"\u003eShop Brass Check Valves\u003c\/a\u003e — Full brass check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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, Buna-N | 944401","description":"\u003cp\u003eThe 1\/4 in. brass inline check valve (part \u003cstrong\u003e944401\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention with a Buna-N (NBR) soft seat for bubble-tight shutoff. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003e+10°F to 210°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR) — water, oils, general purpose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.39\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.22 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eNBR (Buna-N)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Buna-N, Female NPT (1\/4\"–4\"; 400 WOG through 2\", 175 WOG above). 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\u003e944401\u003c\/td\u003e\n\u003ctd\u003e$17.99\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\/3-8-in-brass-inline-check-valve-buna-n-944402\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841010903:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403\u003c\/td\u003e\n\u003ctd\u003e$20.99\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\/3-4-in-brass-inline-check-valve-buna-n-944404\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741780947159:1\"\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-in-brass-inline-check-valve-buna-n-944405\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841043671:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406\u003c\/td\u003e\n\u003ctd\u003e$55.99\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\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-2-in-brass-inline-check-valve-buna-n-944407\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407\u003c\/td\u003e\n\u003ctd\u003e$85.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841273047:1\"\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\/2-in-brass-inline-check-valve-buna-n-944408\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850579159:1\"\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\/2-1-2-in-brass-inline-check-valve-buna-n-944409\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409\u003c\/td\u003e\n\u003ctd\u003e$283.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850644695:1\"\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\/3-in-brass-inline-check-valve-buna-n-944410\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410\u003c\/td\u003e\n\u003ctd\u003e$355.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854314711:1\"\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\/4-in-brass-inline-check-valve-buna-n-944411\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411\u003c\/td\u003e\n\u003ctd\u003e$630.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854380247:1\"\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\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on water distribution, pump discharge, compressed air, and light oil lines; recirculation loops and gravity-fed systems where the 1\/2 psi cracking pressure matters; general-purpose industrial and irrigation service. Not for potable water supply (not lead-free).\u003c\/p\u003e\n\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 1\/4 in. brass inline check valve? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-4-in-316-stainless-steel-inline-check-valve-949401\"\u003e1\/4 in. 316 SS inline check valve (949401)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262287063,"sku":"944401","price":18.99,"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 Check Valve, Viton | 944402V","description":"\u003cp\u003eThe 3\/8 in. brass inline check valve with Viton seal (part \u003cstrong\u003e944402V\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention where fuels, hydrocarbons, or heat would destroy a standard Buna-N seat — the Viton (FKM) seal runs to a maximum of 325°F and handles 125 psi saturated steam. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass, Viton seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003eSteam Rating\u003c\/td\u003e\n\u003ctd\u003e125 psi saturated steam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd\u003e325°F (Viton seal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eViton (FKM fluoroelastomer) — fuels, hydrocarbons, elevated temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.40\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.18 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eViton (FKM)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eViton (FKM) seal — fuels, oils, hydrocarbons, and service heat that Buna-N cannot take\u003c\/li\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Viton (FKM) seal, Female NPT (3\/8\"–4\"; 400 WOG through 2\", 175 WOG above). 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\u003e944402V\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\/12-brass-in-line-check-viton-944403v\"\u003e1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$22.99\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$33.99\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-in-brass-inline-check-valve-viton-944405v\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405V\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841076439:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$65.99\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\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-2-in-brass-inline-check-valve-viton-944407v\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407V\u003c\/td\u003e\n\u003ctd\u003e$93.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850546391:1\"\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\/2-in-brass-inline-check-valve-viton-944408v\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408V\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850611927:1\"\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\/2-1-2-in-brass-inline-check-valve-viton-944409v\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409V\u003c\/td\u003e\n\u003ctd\u003e$247.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850841303:1\"\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\/3-in-brass-inline-check-valve-viton-944410v\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410V\u003c\/td\u003e\n\u003ctd\u003e$385.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854347479:1\"\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\/4-in-brass-inline-check-valve-viton-944411v\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411V\u003c\/td\u003e\n\u003ctd\u003e$552.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854478551:1\"\u003eAdd to Cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on fuel and oil transfer lines, hydrocarbon processing, hot-water and steam-condensate service to 125 psi steam, compressed air with oil carryover, and heated industrial loops beyond the 210°F limit of Buna-N. The 1\/2 psi cracking pressure also suits low-head gravity and recirculation systems. Not for potable water supply (not lead-free).\u003c\/p\u003e\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 3\/8 in. brass inline check valve with FKM\/Viton trim? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Water, air, or general-purpose service? The \u003ca style=\"color:#FE8C03\" href=\"\/products\/3-8-in-brass-inline-check-valve-buna-n-944402\"\u003e3\/8 in. Buna-N version (944402)\u003c\/a\u003e costs less and covers everything up to 210°F. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/3-8-in-316-stainless-steel-inline-check-valve-949402\"\u003e3\/8 in. 316 SS inline check valve (949402)\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262418135,"sku":"944402V","price":19.99,"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, Buna-N | 944403","description":"\u003cp\u003eThe 1\/2 in. brass inline check valve (part \u003cstrong\u003e944403\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention with a Buna-N (NBR) soft seat for bubble-tight shutoff. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003e+10°F to 210°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR) — water, oils, general purpose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.60\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.32 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eNBR (Buna-N)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Buna-N, Female NPT (1\/4\"–4\"; 400 WOG through 2\", 175 WOG above). 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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944401\u003c\/td\u003e\n\u003ctd\u003e$17.99\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\/3-8-in-brass-inline-check-valve-buna-n-944402\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841010903:1\"\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\u003e944403\u003c\/td\u003e\n\u003ctd\u003e$20.99\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\/3-4-in-brass-inline-check-valve-buna-n-944404\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741780947159:1\"\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-in-brass-inline-check-valve-buna-n-944405\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841043671:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406\u003c\/td\u003e\n\u003ctd\u003e$55.99\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\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-2-in-brass-inline-check-valve-buna-n-944407\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407\u003c\/td\u003e\n\u003ctd\u003e$85.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841273047:1\"\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\/2-in-brass-inline-check-valve-buna-n-944408\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850579159:1\"\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\/2-1-2-in-brass-inline-check-valve-buna-n-944409\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409\u003c\/td\u003e\n\u003ctd\u003e$283.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850644695:1\"\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\/3-in-brass-inline-check-valve-buna-n-944410\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410\u003c\/td\u003e\n\u003ctd\u003e$355.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854314711:1\"\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\/4-in-brass-inline-check-valve-buna-n-944411\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411\u003c\/td\u003e\n\u003ctd\u003e$630.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854380247:1\"\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\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on water distribution, pump discharge, compressed air, and light oil lines; recirculation loops and gravity-fed systems where the 1\/2 psi cracking pressure matters; general-purpose industrial and irrigation service. Not for potable water supply (not lead-free).\u003c\/p\u003e\n\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 1\/2 in. brass inline check valve? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Pumping fuels or hydrocarbons? The \u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-viton-944403v\"\u003e1\/2 in. Viton-seal version (944403V)\u003c\/a\u003e handles fuels and runs to 325°F. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-2-in-316-stainless-steel-inline-check-valve-949403\"\u003e1\/2 in. 316 SS inline check valve (949403)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262483671,"sku":"944403","price":21.99,"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 | 944403V","description":"\u003cp\u003eThe 1\/2 in. brass inline check valve with Viton seal (part \u003cstrong\u003e944403V\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention where fuels, hydrocarbons, or heat would destroy a standard Buna-N seat — the Viton (FKM) seal runs to a maximum of 325°F and handles 125 psi saturated steam. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass, Viton seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003eSteam Rating\u003c\/td\u003e\n\u003ctd\u003e125 psi saturated steam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd\u003e325°F (Viton seal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eViton (FKM fluoroelastomer) — fuels, hydrocarbons, elevated temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.60\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.32 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eViton (FKM)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eViton (FKM) seal — fuels, oils, hydrocarbons, and service heat that Buna-N cannot take\u003c\/li\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Viton (FKM) seal, Female NPT (3\/8\"–4\"; 400 WOG through 2\", 175 WOG above). 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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$19.99\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 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$22.99\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$33.99\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-in-brass-inline-check-valve-viton-944405v\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405V\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841076439:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$65.99\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\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-2-in-brass-inline-check-valve-viton-944407v\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407V\u003c\/td\u003e\n\u003ctd\u003e$93.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850546391:1\"\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\/2-in-brass-inline-check-valve-viton-944408v\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408V\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850611927:1\"\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\/2-1-2-in-brass-inline-check-valve-viton-944409v\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409V\u003c\/td\u003e\n\u003ctd\u003e$247.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850841303:1\"\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\/3-in-brass-inline-check-valve-viton-944410v\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410V\u003c\/td\u003e\n\u003ctd\u003e$385.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854347479:1\"\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\/4-in-brass-inline-check-valve-viton-944411v\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411V\u003c\/td\u003e\n\u003ctd\u003e$552.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854478551:1\"\u003eAdd to Cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on fuel and oil transfer lines, hydrocarbon processing, hot-water and steam-condensate service to 125 psi steam, compressed air with oil carryover, and heated industrial loops beyond the 210°F limit of Buna-N. The 1\/2 psi cracking pressure also suits low-head gravity and recirculation systems. Not for potable water supply (not lead-free).\u003c\/p\u003e\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 1\/2 in. brass inline check valve with FKM\/Viton trim? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Water, air, or general-purpose service? The \u003ca style=\"color:#FE8C03\" href=\"\/products\/12-brass-in-line-check-valve-nbr-944403\"\u003e1\/2 in. Buna-N version (944403)\u003c\/a\u003e costs less and covers everything up to 210°F. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-2-in-316-stainless-steel-inline-check-valve-949403\"\u003e1\/2 in. 316 SS inline check valve (949403)\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262549207,"sku":"944403V","price":22.99,"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":"\u003cp\u003eThe \u003cstrong\u003e3\/8 in. Inline Check Valve\u003c\/strong\u003e (#944429) is a spring-loaded brass inline check valve that allows flow in one direction and closes automatically to prevent backflow. Buna-N (NBR) seals suit water, oils, and many chemical services. Compact inline body installs in any orientation — vertical or horizontal — without special mounting.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass body\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ O-ring\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150–500 PSI depending on model\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 250°F (−29°C to 121°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eAny orientation (vertical or horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e944429\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass body \/ Stainless spring construction\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically when flow stops or reverses\u003c\/li\u003e\n  \u003cli\u003eInstall in any orientation — vertical or horizontal\u003c\/li\u003e\n  \u003cli\u003eBuna-N (NBR) seals — compatible with water, oils, and most process fluids\u003c\/li\u003e\n  \u003cli\u003eCracking pressure factory-set for reliable sealing\u003c\/li\u003e\n  \u003cli\u003eCompact inline form factor — minimal installation space required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed as backflow preventers in chemical metering pump systems, water treatment injection points, pump discharge lines, and process piping where reverse flow would contaminate upstream systems or damage equipment.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Understand the differences\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/brass-check-valves\"\u003eShop Brass Check Valves\u003c\/a\u003e — Full brass check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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 | 944404V","description":"\u003cp\u003eThe 3\/4 in. brass inline check valve with Viton seal (part \u003cstrong\u003e944404V\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention where fuels, hydrocarbons, or heat would destroy a standard Buna-N seat — the Viton (FKM) seal runs to a maximum of 325°F and handles 125 psi saturated steam. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass, Viton seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003eSteam Rating\u003c\/td\u003e\n\u003ctd\u003e125 psi saturated steam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd\u003e325°F (Viton seal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eViton (FKM fluoroelastomer) — fuels, hydrocarbons, elevated temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.65\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.49 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eViton (FKM)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eViton (FKM) seal — fuels, oils, hydrocarbons, and service heat that Buna-N cannot take\u003c\/li\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Viton (FKM) seal, Female NPT (3\/8\"–4\"; 400 WOG through 2\", 175 WOG above). 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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$19.99\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$22.99\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 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$33.99\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-in-brass-inline-check-valve-viton-944405v\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405V\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841076439:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$65.99\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\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-2-in-brass-inline-check-valve-viton-944407v\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407V\u003c\/td\u003e\n\u003ctd\u003e$93.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850546391:1\"\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\/2-in-brass-inline-check-valve-viton-944408v\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408V\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850611927:1\"\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\/2-1-2-in-brass-inline-check-valve-viton-944409v\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409V\u003c\/td\u003e\n\u003ctd\u003e$247.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850841303:1\"\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\/3-in-brass-inline-check-valve-viton-944410v\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410V\u003c\/td\u003e\n\u003ctd\u003e$385.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854347479:1\"\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\/4-in-brass-inline-check-valve-viton-944411v\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411V\u003c\/td\u003e\n\u003ctd\u003e$552.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854478551:1\"\u003eAdd to Cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on fuel and oil transfer lines, hydrocarbon processing, hot-water and steam-condensate service to 125 psi steam, compressed air with oil carryover, and heated industrial loops beyond the 210°F limit of Buna-N. The 1\/2 psi cracking pressure also suits low-head gravity and recirculation systems. Not for potable water supply (not lead-free).\u003c\/p\u003e\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 3\/4 in. brass inline check valve with FKM\/Viton trim? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Water, air, or general-purpose service? The \u003ca style=\"color:#FE8C03\" href=\"\/products\/3-4-in-brass-inline-check-valve-buna-n-944404\"\u003e3\/4 in. Buna-N version (944404)\u003c\/a\u003e costs less and covers everything up to 210°F. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/3-4-in-316-stainless-steel-inline-check-valve-949404\"\u003e3\/4 in. 316 SS inline check valve (949404)\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262680279,"sku":"944404V","price":34.99,"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":"\u003cp\u003eThe \u003cstrong\u003e1-1\/4 in. IPS Brass Inline Check Valve\u003c\/strong\u003e (#944433) is a spring-loaded brass inline check valve that allows flow in one direction and closes automatically to prevent backflow. Buna-N (NBR) seals suit water, oils, and many chemical services. Compact inline body installs in any orientation — vertical or horizontal — without special mounting.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBrass body\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeal \/ O-ring\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150–500 PSI depending on model\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 250°F (−29°C to 121°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eAny orientation (vertical or horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e944433\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass body \/ Stainless spring construction\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically when flow stops or reverses\u003c\/li\u003e\n  \u003cli\u003eInstall in any orientation — vertical or horizontal\u003c\/li\u003e\n  \u003cli\u003eBuna-N (NBR) seals — compatible with water, oils, and most process fluids\u003c\/li\u003e\n  \u003cli\u003eCracking pressure factory-set for reliable sealing\u003c\/li\u003e\n  \u003cli\u003eCompact inline form factor — minimal installation space required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed as backflow preventers in chemical metering pump systems, water treatment injection points, pump discharge lines, and process piping where reverse flow would contaminate upstream systems or damage equipment.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Understand the differences\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/brass-check-valves\"\u003eShop Brass Check Valves\u003c\/a\u003e — Full brass check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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, Buna-N | 944406","description":"\u003cp\u003eThe 1-1\/4 in. brass inline check valve (part \u003cstrong\u003e944406\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention with a Buna-N (NBR) soft seat for bubble-tight shutoff. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003e+10°F to 210°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR) — water, oils, general purpose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.68\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.13 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eNBR (Buna-N)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Buna-N, Female NPT (1\/4\"–4\"; 400 WOG through 2\", 175 WOG above). 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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944401\u003c\/td\u003e\n\u003ctd\u003e$17.99\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\/3-8-in-brass-inline-check-valve-buna-n-944402\"\u003e3\/8 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402\u003c\/td\u003e\n\u003ctd\u003e$19.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841010903:1\"\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403\u003c\/td\u003e\n\u003ctd\u003e$20.99\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\/3-4-in-brass-inline-check-valve-buna-n-944404\"\u003e3\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404\u003c\/td\u003e\n\u003ctd\u003e$29.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741780947159:1\"\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-in-brass-inline-check-valve-buna-n-944405\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841043671:1\"\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\u003e944406\u003c\/td\u003e\n\u003ctd\u003e$55.99\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\/1-1-2-in-brass-inline-check-valve-buna-n-944407\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407\u003c\/td\u003e\n\u003ctd\u003e$85.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841273047:1\"\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\/2-in-brass-inline-check-valve-buna-n-944408\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850579159:1\"\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\/2-1-2-in-brass-inline-check-valve-buna-n-944409\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409\u003c\/td\u003e\n\u003ctd\u003e$283.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850644695:1\"\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\/3-in-brass-inline-check-valve-buna-n-944410\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410\u003c\/td\u003e\n\u003ctd\u003e$355.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854314711:1\"\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\/4-in-brass-inline-check-valve-buna-n-944411\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411\u003c\/td\u003e\n\u003ctd\u003e$630.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854380247:1\"\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\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on water distribution, pump discharge, compressed air, and light oil lines; recirculation loops and gravity-fed systems where the 1\/2 psi cracking pressure matters; general-purpose industrial and irrigation service. Not for potable water supply (not lead-free).\u003c\/p\u003e\n\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 1-1\/4 in. brass inline check valve? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Pumping fuels or hydrocarbons? The \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-944406v\"\u003e1-1\/4 in. Viton-seal version (944406V)\u003c\/a\u003e handles fuels and runs to 325°F. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-4-in-316-stainless-steel-inline-check-valve-949406\"\u003e1-1\/4 in. 316 SS inline check valve (949406)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262745815,"sku":"944406","price":56.99,"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, Viton | 944406V","description":"\u003cp\u003eThe 1-1\/4 in. brass inline check valve with Viton seal (part \u003cstrong\u003e944406V\u003c\/strong\u003e) provides compact, spring-loaded backflow prevention where fuels, hydrocarbons, or heat would destroy a standard Buna-N seat — the Viton (FKM) seal runs to a maximum of 325°F and handles 125 psi saturated steam. Rated 400 psi WOG with a low 1\/2 psi cracking pressure, polyetherimide disc, and a patented disc guide that prevents side loading. Female NPT both ends. Made in Italy.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part 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\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eInline check valve (spring-loaded poppet), brass, Viton seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT × Female NPT\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\u003eSteam Rating\u003c\/td\u003e\n\u003ctd\u003e125 psi saturated steam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Temperature\u003c\/td\u003e\n\u003ctd\u003e325°F (Viton seal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCracking Pressure\u003c\/td\u003e\n\u003ctd\u003e1\/2 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal\u003c\/td\u003e\n\u003ctd\u003eViton (FKM fluoroelastomer) — fuels, hydrocarbons, elevated temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide — corrosion and abrasion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eDimensions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e0.68\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.13 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eMaterials of Construction\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody \u0026amp; End Connection\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003ePolyetherimide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eViton (FKM)\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\u003ch2\u003ePerformance \u0026amp; Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eViton (FKM) seal — fuels, oils, hydrocarbons, and service heat that Buna-N cannot take\u003c\/li\u003e\n\u003cli\u003eLow 1\/2 psi cracking pressure — opens with minimal upstream pressure\u003c\/li\u003e\n\u003cli\u003eSpring-loaded for fast seating; perfect seating at both high and low pressure\u003c\/li\u003e\n\u003cli\u003ePatented disc guide prevents side loading — stable, chatter-resistant operation\u003c\/li\u003e\n\u003cli\u003eCompact, high-capacity design with a head-loss-minimizing flow profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot lead-free\u003c\/strong\u003e — for potable water supply lines, choose a lead-free certified valve (see Lead-Free Valves in our Valves menu)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003eBrass Inline Check Valve, Viton (FKM) seal, Female NPT (3\/8\"–4\"; 400 WOG through 2\", 175 WOG above). 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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944402V\u003c\/td\u003e\n\u003ctd\u003e$19.99\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944403V\u003c\/td\u003e\n\u003ctd\u003e$22.99\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 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944404V\u003c\/td\u003e\n\u003ctd\u003e$33.99\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-in-brass-inline-check-valve-viton-944405v\"\u003e1 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944405V\u003c\/td\u003e\n\u003ctd\u003e$37.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741841076439:1\"\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\u003e944406V\u003c\/td\u003e\n\u003ctd\u003e$65.99\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\/1-1-2-in-brass-inline-check-valve-viton-944407v\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944407V\u003c\/td\u003e\n\u003ctd\u003e$93.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850546391:1\"\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\/2-in-brass-inline-check-valve-viton-944408v\"\u003e2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944408V\u003c\/td\u003e\n\u003ctd\u003e$120.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850611927:1\"\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\/2-1-2-in-brass-inline-check-valve-viton-944409v\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944409V\u003c\/td\u003e\n\u003ctd\u003e$247.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741850841303:1\"\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\/3-in-brass-inline-check-valve-viton-944410v\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944410V\u003c\/td\u003e\n\u003ctd\u003e$385.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854347479:1\"\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\/4-in-brass-inline-check-valve-viton-944411v\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e944411V\u003c\/td\u003e\n\u003ctd\u003e$552.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48741854478551:1\"\u003eAdd to Cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eBackflow prevention on fuel and oil transfer lines, hydrocarbon processing, hot-water and steam-condensate service to 125 psi steam, compressed air with oil carryover, and heated industrial loops beyond the 210°F limit of Buna-N. The 1\/2 psi cracking pressure also suits low-head gravity and recirculation systems. Not for potable water supply (not lead-free).\u003c\/p\u003e\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing another brand's 1-1\/4 in. brass inline check valve with FKM\/Viton trim? Match nominal size, end connections, cracking pressure, and pressure rating for a direct fit — or send us your part number and we will confirm the interchange. Water, air, or general-purpose service? The \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-14-brass-in-line-check-nbr-944406\"\u003e1-1\/4 in. Buna-N version (944406)\u003c\/a\u003e costs less and covers everything up to 210°F. Corrosive chemicals? Step up to the \u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-4-in-316-stainless-steel-inline-check-valve-949406\"\u003e1-1\/4 in. 316 SS inline check valve (949406)\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained (Swing vs. Spring vs. Wafer)\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\/valve-pressure-temperature-ratings-chart\"\u003eValve Pressure \u0026amp; Temperature Ratings Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629262876887,"sku":"944406V","price":66.99,"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":"\u003cp\u003eThe \u003cstrong\u003eSingle Check Valve, 3\/8 in. Female NPT x 3\/8 in. Male NPT, 304 Stainless Steel\u003c\/strong\u003e (#34846) is a 304 stainless steel single check valve with flare or NPT connections. Spring-loaded poppet design closes instantly on flow reversal. Stainless body and flare fittings suit refrigeration, chemical injection, and high-cleanliness process applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eSingle spring poppet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e34846\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eSingle spring poppet design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed in refrigeration line sets, chemical injection systems, and precision metering applications requiring stainless steel purity and flare-connection compatibility.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003eDual Check Valve, 1\/4 in. Female NPT x 1\/4 in. Male NPT, 304 Stainless Steel\u003c\/strong\u003e (#34838) is a dual 304 stainless steel check valve with flare connections, providing two-stage backflow protection in a single body. Used in refrigeration, chemical metering, and precision fluid control applications where double-block backflow prevention is required.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eDual poppet \/ spring\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e34838\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eDual poppet \/ spring design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eApplied in refrigeration line sets, chemical metering pump systems, and precision dosing equipment where two independent check stages prevent any reverse flow.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e3\/8 in. Barrel Spring Check Valve\u003c\/strong\u003e (#949442) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949442\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1\/4 in. Stainless Steel Female x Female Spring Check Valve\u003c\/strong\u003e (#949451) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949451\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Barrel Spring Check Valve\u003c\/strong\u003e (#949443) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949443\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Stainless Steel Male x Female Spring Check Valve\u003c\/strong\u003e (#949473) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949473\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Stainless Steel Inline Check Valve\u003c\/strong\u003e (#949430) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949430\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCross-References\u003c\/h2\u003e\u003cp\u003eCVS50, RL01-108SA\u003c\/p\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e3\/4 in. 316 Stainless Steel Swing Check Valve\u003c\/strong\u003e (#949354) is a 316 stainless steel swing check valve that uses a hinged disc rather than a spring to allow forward flow and seal against backflow. Swing checks offer the lowest pressure drop of any check valve style, making them ideal for gravity-flow and low-differential-pressure systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eSwing disc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949354\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e316 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eSwing disc design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eSpecified for pump discharge lines, water treatment return headers, and low-pressure gravity-flow piping where minimal pressure drop is critical. 316 SS construction suits seawater, brine, and corrosive chemical services.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCross-References\u003c\/h2\u003e\u003cp\u003e60SSTH04, 909 1, SC602I\u003c\/p\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e3\/4 in. Stainless Steel Y Spring Check Valve\u003c\/strong\u003e (#949484) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949484\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"\u003cp\u003eThe \u003cstrong\u003e1-1\/2 in. Barrel Spring Check Valve\u003c\/strong\u003e (#949447) is a compact barrel-style spring check valve with a 316 stainless steel body engineered for chemical metering pump outlet service. The straight-through barrel profile minimizes pressure drop while the stainless construction resists the corrosive chemicals, acids, and oxidizers common in water treatment and industrial dosing applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSpring Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheck Type\u003c\/td\u003e\n\u003ctd\u003eBarrel spring (inline)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eFemale NPT \/ Male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 400°F (−29°C to 204°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e949447\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e304 Stainless Steel body — corrosion resistant across wide chemical and temperature range\u003c\/li\u003e\n  \u003cli\u003eBarrel spring (inline) design\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded — closes automatically on flow reversal\u003c\/li\u003e\n  \u003cli\u003eStainless spring internals — compatible with aggressive media\u003c\/li\u003e\n  \u003cli\u003eCompact body for tight installation spaces\u003c\/li\u003e\n  \u003cli\u003eFits directly onto chemical metering pump outlet ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eStandard at chemical metering pump discharge ports and injection check positions. The compact barrel form fits directly on pump outlet fittings with minimal piping. 316 SS body handles sodium hypochlorite (bleach), sulfuric acid, hydrochloric acid, and other aggressive water treatment chemicals that would attack brass or aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types: Swing, Spring, Wafer, Ball\u003c\/a\u003e — Compare check valve styles\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC\u003c\/a\u003e — When to choose stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-check-valves\"\u003eShop Stainless Check Valves\u003c\/a\u003e — Full SS check valve range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- apex-guide-links --\u003e\n\u003cdiv style=\"margin-top:24px;padding:16px 20px;border:1px solid #ddd;border-radius:6px;background:#fafafa;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:1.05rem;\"\u003eExpert Guides for This Product\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-installation-direction-orientation\"\u003eCheck Valve Orientation \u0026amp; Installation\u003c\/a\u003e — flow direction and mounting rules\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-sizing-guide\"\u003eCheck Valve Sizing Guide\u003c\/a\u003e — why line size isn't valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-slamming-water-hammer\"\u003eSlamming \u0026amp; Water Hammer\u003c\/a\u003e — causes and fixes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-leaking-diagnosis\"\u003eCheck Valve Leaking?\u003c\/a\u003e — diagnose and fix it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-chattering-noise\"\u003eCheck Valve Chattering\u003c\/a\u003e — the sizing problem nobody checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca style=\"color:#FE8C03\" href=\"\/pages\/buna-vs-viton-check-valve-seats\"\u003eBuna vs. Viton Seats\u003c\/a\u003e — which elastomer fits your media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/apex-guide-links --\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":"14mip-x-14barb-cp-ball-vavle-wcheck-944051","title":"1\/4 in. Male NPT x 1\/4 in. Barb Chrome-Plated Ball Valve with Check","description":"\u003cp\u003eThe \u003cstrong\u003e1\/4 in. Male NPT x 1\/4 in. Barb Chrome-Plated Ball Valve with Check\u003c\/strong\u003e (#944051) is a forged brass mini ball valve offering higher pressure capability and greater structural integrity than cast-body alternatives. Compact size and quarter-turn operation make it ideal for instrument isolation, chemical metering skids, and tight-space shutoff applications in industrial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eForged Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e944051\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eForged Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003eHose barb port for direct tubing connection — no fittings needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eWidely specified for instrument isolation valves, gauge shutoffs, chemical metering pump systems, compressed air branch shutoffs, and any space-constrained shutoff position in industrial or commercial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263237335,"sku":"944051","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944051_24e8aa37-1336-4deb-b3d8-333c9e5a3f80.jpg?v=1778884497"},{"product_id":"12-fxm-mini-bv-screwdriverwviton-seals-46933s","title":"1\/2 in. Female x Male Mini Ball Valve, Screwdriver, with Viton Seals","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Female x Male Mini Ball Valve, Screwdriver, with Viton Seals\u003c\/strong\u003e (#46933S) is a compact brass mini ball valve with Viton (FKM) seals for superior chemical resistance compared to standard Buna-N elastomers. Viton seals are compatible with hydrocarbons, chlorinated solvents, aromatic compounds, and many acids — making this valve the go-to choice for chemical metering pump installations, chemical injection skids, and aggressive-media shutoff applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eChrome-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003eViton (FKM) — high chemical resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eScrewdriver slot (1\/4-turn flat-blade)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46933S\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eChrome-Plated Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003eViton (FKM) — high chemical resistance seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003eViton seals — compatible with hydrocarbons, aromatic solvents, many acids\u003c\/li\u003e\n  \u003cli\u003eScrewdriver slot operation — tamper-resistant, ultra-low profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed extensively in chemical metering pump systems, chemical injection skids, petroleum service lines, and industrial process piping handling hydrocarbons, chlorinated solvents, or aggressive chemicals incompatible with standard Buna-N seals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263270103,"sku":"46933S","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46930S.jpg?v=1780194963"},{"product_id":"14-fxf-chrm-econ-mini-ball-valv-46935","title":"1\/4 in. Female x Female Chrome Economy Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/4 in. Female x Female Chrome Economy Mini Ball Valve\u003c\/strong\u003e (#46935) is a chrome-plated brass mini ball valve designed for space-constrained shutoff applications. Its small form factor fits where standard-size ball valves cannot, while still delivering quarter-turn on\/off control for water, oil, air, and many chemical services.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eChrome-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46935\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eChrome-Plated Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eWidely specified for instrument isolation valves, gauge shutoffs, chemical metering pump systems, compressed air branch shutoffs, and any space-constrained shutoff position in industrial or commercial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263302871,"sku":"46935","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46935.jpg?v=1780548795"},{"product_id":"38-fxf-chrm-econ-mini-ball-valv-46936","title":"3\/8 in. Female x Female Chrome Economy Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e3\/8 in. Female x Female Chrome Economy Mini Ball Valve\u003c\/strong\u003e (#46936) is a chrome-plated brass mini ball valve designed for space-constrained shutoff applications. Its small form factor fits where standard-size ball valves cannot, while still delivering quarter-turn on\/off control for water, oil, air, and many chemical services.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eChrome-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46936\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eChrome-Plated Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eWidely specified for instrument isolation valves, gauge shutoffs, chemical metering pump systems, compressed air branch shutoffs, and any space-constrained shutoff position in industrial or commercial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263335639,"sku":"46936","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46936.jpg?v=1780548798"},{"product_id":"38-fxf-mini-bv-t-handle-wviton-seals-46936lt","title":"3\/8 in. Female x Female Mini Ball Valve, T-Handle, with Viton Seals","description":"\u003cp\u003eThe \u003cstrong\u003e3\/8 in. Female x Female Mini Ball Valve, T-Handle, with Viton Seals\u003c\/strong\u003e (#46936LT) is a compact brass mini ball valve with Viton (FKM) seals for superior chemical resistance compared to standard Buna-N elastomers. Viton seals are compatible with hydrocarbons, chlorinated solvents, aromatic compounds, and many acids — making this valve the go-to choice for chemical metering pump installations, chemical injection skids, and aggressive-media shutoff applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eChrome-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003eViton (FKM) — high chemical resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eT-bar handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46936LT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eChrome-Plated Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003eViton (FKM) — high chemical resistance seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003eViton seals — compatible with hydrocarbons, aromatic solvents, many acids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed extensively in chemical metering pump systems, chemical injection skids, petroleum service lines, and industrial process piping handling hydrocarbons, chlorinated solvents, or aggressive chemicals incompatible with standard Buna-N seals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263368407,"sku":"46936LT","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46936LT.jpg?v=1780548801"},{"product_id":"18-mip-x-mip-frgd-mini-b-vlv-944107","title":"1\/8 in. Male NPT x Male NPT Forged Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/8 in. Male NPT x Male NPT Forged Mini Ball Valve\u003c\/strong\u003e (#944107) is a forged brass mini ball valve offering higher pressure capability and greater structural integrity than cast-body alternatives. Compact size and quarter-turn operation make it ideal for instrument isolation, chemical metering skids, and tight-space shutoff applications in industrial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eForged Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e944107\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eForged Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eWidely specified for instrument isolation valves, gauge shutoffs, chemical metering pump systems, compressed air branch shutoffs, and any space-constrained shutoff position in industrial or commercial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263433943,"sku":"944107","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944107.jpg?v=1780548802"},{"product_id":"12-fxf-mini-bv-t-handle-wviton-seals-46937lt","title":"1\/2 in. Female x Female Mini Ball Valve, T-Handle, with Viton Seals","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Female x Female Mini Ball Valve, T-Handle, with Viton Seals\u003c\/strong\u003e (#46937LT) is a compact brass mini ball valve with Viton (FKM) seals for superior chemical resistance compared to standard Buna-N elastomers. Viton seals are compatible with hydrocarbons, chlorinated solvents, aromatic compounds, and many acids — making this valve the go-to choice for chemical metering pump installations, chemical injection skids, and aggressive-media shutoff applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eChrome-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003eViton (FKM) — high chemical resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eT-bar handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46937LT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eChrome-Plated Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003eViton (FKM) — high chemical resistance seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003eViton seals — compatible with hydrocarbons, aromatic solvents, many acids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed extensively in chemical metering pump systems, chemical injection skids, petroleum service lines, and industrial process piping handling hydrocarbons, chlorinated solvents, or aggressive chemicals incompatible with standard Buna-N seals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263466711,"sku":"46937LT","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46937LT.jpg?v=1780548805"},{"product_id":"12-fxf-mini-bv-lever-hdle-wviton-seals-46937l","title":"1\/2 in. Female x Female Mini Ball Valve, Lever Handle, with Viton Seals","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Female x Female Mini Ball Valve, Lever Handle, with Viton Seals\u003c\/strong\u003e (#46937L) is a compact brass mini ball valve with Viton (FKM) seals for superior chemical resistance compared to standard Buna-N elastomers. Viton seals are compatible with hydrocarbons, chlorinated solvents, aromatic compounds, and many acids — making this valve the go-to choice for chemical metering pump installations, chemical injection skids, and aggressive-media shutoff applications.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eChrome-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003eViton (FKM) — high chemical resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eLever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46937L\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eChrome-Plated Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003eViton (FKM) — high chemical resistance seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003eViton seals — compatible with hydrocarbons, aromatic solvents, many acids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eUsed extensively in chemical metering pump systems, chemical injection skids, petroleum service lines, and industrial process piping handling hydrocarbons, chlorinated solvents, or aggressive chemicals incompatible with standard Buna-N seals.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263499479,"sku":"46937L","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46937L.jpg?v=1780548807"},{"product_id":"38barb-x-38barb-cp-ball-valve-944013","title":"3\/8 in. Barb x 3\/8 in. Barb Chrome-Plated Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e3\/8 in. Barb x 3\/8 in. Barb Chrome-Plated Ball Valve\u003c\/strong\u003e (#944013) is a forged brass mini ball valve offering higher pressure capability and greater structural integrity than cast-body alternatives. Compact size and quarter-turn operation make it ideal for instrument isolation, chemical metering skids, and tight-space shutoff applications in industrial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eForged Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e944013\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eForged Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003eHose barb port for direct tubing connection — no fittings needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eWidely specified for instrument isolation valves, gauge shutoffs, chemical metering pump systems, compressed air branch shutoffs, and any space-constrained shutoff position in industrial or commercial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263532247,"sku":"944013","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944013_daa81d90-0966-4102-aefa-2b2bac61372f.jpg?v=1778884504"},{"product_id":"12fip-x-12fip-frgd-mini-b-vlv-944140","title":"1\/2 in. Female NPT x Female NPT Forged Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Female NPT x Female NPT Forged Mini Ball Valve\u003c\/strong\u003e (#944140) is a forged brass mini ball valve offering higher pressure capability and greater structural integrity than cast-body alternatives. Compact size and quarter-turn operation make it ideal for instrument isolation, chemical metering skids, and tight-space shutoff applications in industrial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eForged Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e400 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e944140\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003eForged Brass construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eWidely specified for instrument isolation valves, gauge shutoffs, chemical metering pump systems, compressed air branch shutoffs, and any space-constrained shutoff position in industrial or commercial piping systems.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/mini-ball-valves\"\u003eShop All Mini Ball Valves\u003c\/a\u003e — Full mini valve size range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629263565015,"sku":"944140","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_944140.jpg?v=1780548809"},{"product_id":"14-316-ss-mini-ball-valve-46935ss","title":"1\/4 in. 316 Stainless Steel Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/4 in. 316 Stainless Steel Mini Ball Valve\u003c\/strong\u003e (#46935SS) is a 316 stainless steel mini ball valve built for chemical, food-processing, and corrosive-media applications where brass would corrode or contaminate the process. Quarter-turn shutoff, compact body, and 316 SS wetted parts make it a standard component in chemical metering systems, water treatment dosing skids, and industrial process piping.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46935SS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003e316 Stainless Steel construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003e316 SS wetted parts — compatible with chlorinated water, mild acids, brine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eIdeal for chemical metering pump outlet shutoffs, water treatment chemical dosing, food-grade fluid control, pharmaceutical process piping, and any application where 316 stainless steel material is specified for corrosion resistance or hygiene.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-valves\"\u003eShop Stainless Steel Ball Valves\u003c\/a\u003e — Full SS valve range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629264679127,"sku":"46935SS","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46935SS.jpg?v=1780548812"},{"product_id":"38-316-ss-mini-ball-valve-46936ss","title":"3\/8 in. 316 Stainless Steel Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e3\/8 in. 316 Stainless Steel Mini Ball Valve\u003c\/strong\u003e (#46936SS) is a 316 stainless steel mini ball valve built for chemical, food-processing, and corrosive-media applications where brass would corrode or contaminate the process. Quarter-turn shutoff, compact body, and 316 SS wetted parts make it a standard component in chemical metering systems, water treatment dosing skids, and industrial process piping.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46936SS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003e316 Stainless Steel construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003e316 SS wetted parts — compatible with chlorinated water, mild acids, brine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eIdeal for chemical metering pump outlet shutoffs, water treatment chemical dosing, food-grade fluid control, pharmaceutical process piping, and any application where 316 stainless steel material is specified for corrosion resistance or hygiene.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-valves\"\u003eShop Stainless Steel Ball Valves\u003c\/a\u003e — Full SS valve range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629264711895,"sku":"46936SS","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46936SS.jpg?v=1780548818"},{"product_id":"12-ss-mip-x-fip-mini-ball-vlv-46933ss","title":"1\/2 in. Stainless Steel Male NPT x Female NPT Mini Ball Valve","description":"\u003cp\u003eThe \u003cstrong\u003e1\/2 in. Stainless Steel Male NPT x Female NPT Mini Ball Valve\u003c\/strong\u003e (#46933SS) is a 316 stainless steel mini ball valve built for chemical, food-processing, and corrosive-media applications where brass would corrode or contaminate the process. Quarter-turn shutoff, compact body, and 316 SS wetted parts make it a standard component in chemical metering systems, water treatment dosing skids, and industrial process piping.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\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\u003eSeat \/ Seal Material\u003c\/td\u003e\n\u003ctd\u003ePTFE (Teflon) \/ Buna-N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnd Connections\u003c\/td\u003e\n\u003ctd\u003eSee product title\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003eFull port (full bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eStandard lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e150 WOG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e−20°F to 366°F (−29°C to 186°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46933SS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact mini body — fits tight spaces where full-size valves cannot\u003c\/li\u003e\n  \u003cli\u003eQuarter-turn operation — instant open\/close in 90°\u003c\/li\u003e\n  \u003cli\u003e316 Stainless Steel construction for durability\u003c\/li\u003e\n  \u003cli\u003ePTFE (Teflon) \/ Buna-N seals\u003c\/li\u003e\n  \u003cli\u003eBlow-out-proof stem for safety compliance\u003c\/li\u003e\n  \u003cli\u003e316 SS wetted parts — compatible with chlorinated water, mild acids, brine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eIdeal for chemical metering pump outlet shutoffs, water treatment chemical dosing, food-grade fluid control, pharmaceutical process piping, and any application where 316 stainless steel material is specified for corrosion resistance or hygiene.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/ball-valve-materials-guide\"\u003eBrass vs. Stainless vs. PVC Ball Valves\u003c\/a\u003e — When to choose each material\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/pages\/how-to-choose-the-right-valve\"\u003eHow to Choose the Right Valve\u003c\/a\u003e — Application-based selection guide\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/collections\/stainless-steel-valves\"\u003eShop Stainless Steel Ball Valves\u003c\/a\u003e — Full SS valve range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48629264744663,"sku":"46933SS","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/files\/MIDLANDINDUSTRIES_46933SS.jpg?v=1780548820"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/4152\/8791\/collections\/MIDLANDINDUSTRIES_940176L_3db1bff1-ce1d-4cfa-8151-0803a0659ac0.jpg?v=1780096195","url":"https:\/\/apexflowsolutions.com\/collections\/valves.oembed?page=2","provider":"Apex Flow Solutions","version":"1.0","type":"link"}