{"product_id":"4-lf757ndcda-osy-gpm","title":"4 LF757NDCDA-OSY-GPM","description":"\u003cp\u003eThis \u003cstrong\u003e4 inch Lead Free Double Check Detector Backflow Preventer Assembly\u003c\/strong\u003e, featuring \u003cstrong\u003eOSY shutoff valves\u003c\/strong\u003e and a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e, is designed to prevent the backflow of non-health hazard pollutants into potable water supply systems. It is primarily used on \u003cstrong\u003efire sprinkler lines\u003c\/strong\u003e to monitor unauthorized water usage and is suitable for continuous pressure service against backpressure and backsiphonage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Construction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e construction ensures the wetted surface contains less than 0.25% lead by weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, up to \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional backflow preventers.\u003c\/li\u003e\n\u003cli\u003eDurable \u003cstrong\u003e304 Schedule 40 stainless steel\u003c\/strong\u003e housing and sleeve.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eUL\/FM outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e for monitoring water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow for integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003eUnique \u003cstrong\u003etri-link spring checks\u003c\/strong\u003e offer lowest pressure loss and unmatched ease of serviceability.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003ereversible elastomer discs\u003c\/strong\u003e for drip-tight closure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796737171733,"sku":"0124700","price":14448.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180752.jpg?v=1772728130","url":"https:\/\/www.backflowpreventer.com\/products\/4-lf757ndcda-osy-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}