{"title":"Backflow Devices - Watts - DCDA - Double Check Detector Assemblies - 6\" - 757DCDA Series","description":null,"products":[{"product_id":"6-lf757dcda-osy-gpm","title":"6 LF757DCDA-OSY-GPM","description":"\u003cp\u003eThis Watts 6 inch Lead Free Double Check Detector Backflow Preventer Assembly is designed to prevent the backflow of non-health hazard pollutants into potable water supply systems.\u003c\/p\u003e\u003cp\u003eIt is primarily used in fire line sprinkler systems where monitoring unauthorized water use is necessary, operating effectively under continuous pressure and against backpressure or backsiphonage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures \u003cstrong\u003eLead Free* construction\u003c\/strong\u003e with wetted surfaces containing less than 0.25% lead by weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, making it \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional backflow preventers.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eUL\/FM outside stem and yoke resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e in the bypass assembly for monitoring unauthorized water use.\u003c\/li\u003e\n\u003cli\u003eGroove fittings allow for \u003cstrong\u003eintegral pipeline adjustment\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUnique \u003cstrong\u003etri-link spring check\u003c\/strong\u003e design offers the \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUnmatched \u003cstrong\u003eease of serviceability\u003c\/strong\u003e with removable and serviceable tri-link checks without special tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable check disc rubber\u003c\/strong\u003e for extended service life.\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHousing and sleeve are constructed from \u003cstrong\u003e304 Schedule 40 stainless steel pipe\u003c\/strong\u003e for durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eConsists of two independent tri-link check modules within a single housing, a sleeve access port, \u003cstrong\u003efour test cocks\u003c\/strong\u003e, and two drip-tight shutoff valves.\u003c\/li\u003e\n\u003cli\u003eTri-link checks feature \u003cstrong\u003ereversible elastomer discs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eBypass assembly includes a meter for gallon or cubic measurement and a double check backflow assembly with required test cocks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796726030613,"sku":"0122717","price":13225.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180355.jpg?v=1772727802"},{"product_id":"6-lf757ndcda-osy-gpm","title":"6 LF757NDCDA-OSY-GPM","description":"\u003cp\u003eThis 6 inch \u003cstrong\u003elead free double check detector backflow preventer assembly\u003c\/strong\u003e is designed to prevent the backflow of objectionable but non-toxic pollutants from entering into potable water supply systems. 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The post indicator valve allows for easy visual confirmation if the valve is open or closed.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164287897877,"sku":"DDP0111213","price":12674.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193761.jpg?v=1789651718"},{"product_id":"watts-6-757dcda-double-check-detector-assembly-backflow-preventer-domestic-osy-shutoff-valves-cubic-feet-meter-36549","title":"Watts 6\" 757DCDA Double Check Detector Assembly Backflow Preventer, Domestic OSY Shutoff Valves, Cubic Feet Meter","description":"This 6\" double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality, but not toxic, from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross-connections identified as non-health hazards such as on fire protection systems and from other contaminants found at the service line entrance. This compact modular design with a single access cover for easy maintenance is approved for horizontal and vertical flow up installation. It consists of a light weight stainless steel body and sleeve, domestic outside stem and yoke resilient seated gate valves, captured spring check valves, a cubic feet per minute metered bypass to detect underground leaks and unauthorized water use, and four test cocks.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164288323861,"sku":"DDP0113013","price":13638.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193763.jpg?v=1789651824"},{"product_id":"watts-6-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-cubic-feet-meter-n-pattern-36557","title":"Watts 6\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Cubic Feet Meter, N Pattern","description":"This 6\", N pattern, double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check valves, two shutoff valves, and four test cocks. It has a cubic foot meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water. The maximum working pressure is 175 psi (12.06 bar).","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164289995029,"sku":"DDP0111559","price":18313.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193771.jpg?v=1789652203"},{"product_id":"watts-6-757dcda-double-check-detector-assembly-backflow-preventer-domestic-osy-shutoff-valves-gallonsminute-meter-36579","title":"Watts 6\" 757DCDA Double Check Detector Assembly Backflow Preventer, Domestic OSY Shutoff Valves, Gallons\/Minute Meter","description":"This 6\" double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality, but not toxic, from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross-connections identified as non-health hazards such as on fire protection systems and from other contaminants found at the service line entrance. This compact modular design with a single access cover for easy maintenance is approved for horizontal and vertical flow up installation. It consists of a light weight stainless steel body and sleeve, domestic outside stem and yoke resilient seated gate valves, captured spring check valves, a gallons per minute metered bypass to detect underground leaks and unauthorized water use, and four test cocks.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164294615317,"sku":"DDP0113017","price":13638.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193504.jpg?v=1789569296"},{"product_id":"watts-6-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-cubic-feet-meter-36581","title":"Watts 6\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Cubic Feet Meter","description":"This 6\" double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check valves, two shutoff valves, and four test cocks. It has a cubic foot meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water. The maximum working pressure is 175 psi (12.06 bar).","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164295008533,"sku":"DDP0111547","price":12071.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193506.jpg?v=1789569398"},{"product_id":"watts-6-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-flanged-inlet-x-groove-outlet-cubic-feet-meter-36591","title":"Watts 6\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Flanged Inlet x Groove Outlet, Cubic Feet Meter","description":"This 6\" double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water and includes a cubic feet per minute meter that measures water flow. This assembly consists of two independently operating tri-link check valves, two shutoff valves, four test cocks, and UL\/FM outside stem and yoke resilient seated gate valves with flanged by grooved end connections. It features a compact stainless steel housing and sleeve that is 70 percent lighter than traditional designs. The maximum working pressure is 175 psi (12.06 bar).","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164297138453,"sku":"DDP0191598","price":12071.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193517.jpg?v=1789570030"},{"product_id":"watts-6-757dcda-double-check-detector-assembly-backflow-preventer-post-indicator-valve-x-osy-shutoff-valve-gallonsminute-meter-36601","title":"Watts 6\" 757DCDA Double Check Detector Assembly Backflow Preventer, Post Indicator Valve x OSY Shutoff Valve, Gallons\/Minute Meter","description":"This 6\" stainless steel double check detector backflow preventer assembly with a post indicator valve, outside stem and yoke resilient seated gate valves and a gallons per minute meter measures water flow to detect ground leaks and unauthorized taps. Primarily used on fire line sprinkler systems at referenced cross-connections identified as non-health hazard continuous pressure applications, it prevents the backflow of fire protection substances into the potable water supply and protects against backsiphonage and backpressure. The easy maintenance assembly consists of positive seated thermoplastic independently operating torsion spring check modules, outside stem and yoke resilient seated gate valves with tamper switch and top mounted test cocks. The temperature range is 33 to 140 degrees F (0.5 to 60 degrees C). The maximum working pressure is 175 psi (12.1 bar).","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164298907925,"sku":"DDP0191614","price":12071.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193531.jpg?v=1789570585"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-watts-dcda-double-check-detector-assemblies-6-757dcda-series.oembed?page=2","provider":"Water Specialties Company","version":"1.0","type":"link"}