{"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","url":"https:\/\/apexflowsolutions.com\/products\/14-ss-f-x-f-spring-check-valve-949451","provider":"Apex Flow Solutions","version":"1.0","type":"link"}