{"product_id":"8-lf856-dosy-gpm","title":"8 LF856-DOSY-GPM","description":"\u003cp\u003eThis 8 inch \u003cstrong\u003elead free MasterSeries® LF856 Double Check Detector Backflow Preventer Assembly\u003c\/strong\u003e protects drinking water supplies from non-health hazard pollutants due to backpressure or backsiphonage. It is primarily used for the protection of non-health hazard cross-connections and for containment at the service line entrance, commonly found in fire sprinkler and standpipe systems that require detection of unauthorized water use.\u003c\/p\u003e\u003cp\u003eThe assembly consists of a durable \u003cstrong\u003eductile iron\u003c\/strong\u003e body, two in-line independent check valves, replaceable \u003cstrong\u003estainless steel\u003c\/strong\u003e check seats, and outside stem and yoke (OS\u0026amp;Y) resilient seated domestic gate valve shutoff valves. It also includes a gallons per minute (GPM) metered bypass and ball valve test cocks. The iron components are coated with \u003cstrong\u003eArmorTek®\u003c\/strong\u003e, a patented three-part advanced epoxy system, engineered to reduce microbial-induced corrosion (MIC) and protect exposed metal substrates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMain Valve Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIn-line serviceable assembly\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing\u003c\/li\u003e\n\u003cli\u003eCaptured modular spring assembly\u003c\/li\u003e\n\u003cli\u003eReversible and replaceable discs\u003c\/li\u003e\n\u003cli\u003eField replaceable seats\u003c\/li\u003e\n\u003cli\u003eDuctile iron valve body design\u003c\/li\u003e\n\u003cli\u003eStainless steel check components\u003c\/li\u003e\n\u003cli\u003eArmorTek coating technology to resist corrosion of internals\u003c\/li\u003e\n\u003cli\u003eWinterization feature with disc retainers and valve body drain ports\u003c\/li\u003e\n\u003cli\u003eClapper check assembly\u003c\/li\u003e\n\u003cli\u003eCommonality between 1st and 2nd check components\u003c\/li\u003e\n\u003cli\u003eCaptured O-ring design\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAuxiliary Bypass Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompact bypass design; remains in main valve assembly profile\u003c\/li\u003e\n\u003cli\u003eIn-line serviceable 3\/4\" check assembly\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing\u003c\/li\u003e\n\u003cli\u003eField replaceable seat and disc\u003c\/li\u003e\n\u003cli\u003eDetect potential underground water leaks\u003c\/li\u003e\n\u003cli\u003eDetect unauthorized water usage\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eThe wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796704108821,"sku":"0124455","price":33133.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/179700.jpg?v=1772727246","url":"https:\/\/www.backflowpreventer.com\/products\/8-lf856-dosy-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}