{"product_id":"american-granby-lf5100-11-4-bronze-check-valve-1-1-4-in","title":"American Granby lf5100-11\/4 Bronze Check Valve 1-1\/4 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AMERICAN GRANBY lf5100-11\/4 is a lead-free, cast silicon bronze poppet-style check valve designed to prevent backflow in water well system piping. Rated at 400 PSI WOG (water, oil, gas), it delivers reliable one-directional flow control in demanding service conditions. The valve ships complete with a stainless steel spring, washer, and lock nut, making it a ready-to-install assembly. Its 1-1\/4 inch nominal size with female-threaded connections on both ends suits standard threaded pipe installations. Licensed plumbers and water well contractors are the primary installers of this valve in residential and light commercial well pump systems.\u003c\/p\u003e\n\u003cp\u003eThe lf5100-11\/4 is built for water well system applications where backflow prevention and pressure integrity are critical. The lead-free silicon bronze body meets drinking water safety standards, making it appropriate for potable water service. The Buna-N seal material provides durable, low-maintenance seating under repeated cycling. The poppet design with integral spring ensures positive closure when flow stops or reverses, protecting pumps and pressure tanks from backflow damage.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free cast silicon bronze body rated for potable water service\u003c\/li\u003e\n  \u003cli\u003e400 PSI WOG pressure rating for high-pressure well system installations\u003c\/li\u003e\n  \u003cli\u003ePoppet-type design with stainless steel spring for positive, reliable closure\u003c\/li\u003e\n  \u003cli\u003eBuna-N seal for durable seating and low-maintenance operation\u003c\/li\u003e\n  \u003cli\u003eFemale threaded x female threaded end connections for standard pipe thread fitment\u003c\/li\u003e\n  \u003cli\u003eShips with spring, washer, and lock nut included — no separate hardware required\u003c\/li\u003e\n  \u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in water well system piping with 1-1\/4 inch female-threaded connections. Part of the LF5100 Series silicon bronze lead-free check valve line by AMERICAN GRANBY.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or certified well contractor in accordance with applicable local plumbing codes and IPC guidelines. Shut off and depressurize the system completely before removing any existing valve or fitting. Apply appropriate thread sealant or PTFE tape to male pipe threads before threading into the valve body — do not over-torque threaded connections on bronze fittings. Verify flow direction is correct before returning the system to service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValve Type\u003c\/strong\u003e: Poppet Check Valve\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Size\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Connection\u003c\/strong\u003e: Female Threaded x Female Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: Cast Silicon Bronze\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpring Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeal Material\u003c\/strong\u003e: Buna-N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rating\u003c\/strong\u003e: 400 psi WOG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInclusions\u003c\/strong\u003e: Spring, Washer, Lock Nut\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Water Well System\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging Quantity\u003c\/strong\u003e: 36 per Carton\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: AMERICAN GRANBY\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: lf5100-11\/4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AMERICAN GRANBY","offers":[{"title":"Default Title","offer_id":51467553046834,"sku":"LF5100-11\/4","price":120.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313946550.jpg?v=1783906709","url":"https:\/\/voomisupply.com\/products\/american-granby-lf5100-11-4-bronze-check-valve-1-1-4-in","provider":"Voomi Supply","version":"1.0","type":"link"}