{"title":"Backflow Devices - Watts - DCDA - Double Check Detector Assemblies - 8\" - 757DCDA Series","description":null,"products":[{"product_id":"8-lf757dcda-osy-gpm","title":"8 LF757DCDA-OSY-GPM","description":"\u003cp\u003eThe Watts Series LF757DCDA 8 inch Lead Free Double Check Detector Assembly prevents backflow of non-health hazard pollutants from entering potable water supply systems. This assembly is primarily used on \u003cstrong\u003efire line sprinkler systems\u003c\/strong\u003e when it is necessary to monitor unauthorized water usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* construction\u003c\/strong\u003e ensuring less than 0.25% lead by weight in wetted surfaces.\u003c\/li\u003e\n\u003cli\u003eExtremely compact design, approximately 70% lighter than traditional models.\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve constructed from \u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e.\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 check\u003c\/strong\u003e provides the lowest pressure loss.\u003c\/li\u003e\n\u003cli\u003eUnmatched ease of serviceability with removable and serviceable checks without special tools.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eOSY (Outside Stem and Yoke) gate shutoff valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMay be used for \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFeatures replaceable check disc rubber.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Operation\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConsists of two independent \u003cstrong\u003etri-link check modules\u003c\/strong\u003e within a single housing, sleeve access port, four test cocks, and two drip-tight shutoff valves.\u003c\/li\u003e\n\u003cli\u003eThe housing is constructed of \u003cstrong\u003e304 Schedule 40 stainless steel pipe\u003c\/strong\u003e with \u003cstrong\u003egroove end connections\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe bypass assembly includes a \u003cstrong\u003emeter\u003c\/strong\u003e which registers in gallons or cubic measurement, a double check backflow assembly, and required test cocks for monitoring water usage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796713906453,"sku":"0122718","price":23892.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/179954.jpg?v=1772727470"},{"product_id":"8-lf757dcda-dosy-gpm","title":"8 LF757DCDA-DOSY-GPM","description":"\u003cp\u003eThis 8 inch Watts LF757DCDA Lead Free Double Check Detector Backflow Preventer Assembly is designed to prevent the reverse flow of non-health hazard pollutants from entering the potable water supply system.\u003c\/p\u003e\u003cp\u003eIt is primarily used on \u003cstrong\u003efire line sprinkler systems\u003c\/strong\u003e where it is necessary to monitor unauthorized water use and is ideal for protection at cross-connections identified as non-health hazards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* construction\u003c\/strong\u003e with wetted surfaces containing less than 0.25% lead by weight\u003c\/li\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact design\u003c\/strong\u003e, 70% lighter than traditional designs\u003c\/li\u003e\n\u003cli\u003eDurable \u003cstrong\u003e304 (Schedule 40) stainless steel housing \u0026amp; sleeve\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow integral pipeline adjustment\u003c\/li\u003e\n\u003cli\u003eUnique tri-link spring check provides \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUnmatched \u003cstrong\u003eease of serviceability\u003c\/strong\u003e without special tools\u003c\/li\u003e\n\u003cli\u003eAvailable with \u003cstrong\u003edomestic OSY (Outside Stem and Yoke) resilient seated gate valves\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMay be used for \u003cstrong\u003ehorizontal, vertical or N pattern installations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eReplaceable check disc rubber\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003egallons per minute metered bypass\u003c\/strong\u003e to detect underground leaks and unauthorized water use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNOTICE: The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796714725653,"sku":"0792282","price":23893.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180000.jpg?v=1772727507"},{"product_id":"8-lf757dcda-bfg-gpm","title":"8 LF757DCDA-BFG-GPM","description":"\u003cp\u003eThis Watts 8 inch Lead Free Double Check Detector Backflow Preventer Assembly, Series LF757DCDA, prevents the backflow of non-health hazard pollutants from entering the potable water supply system.\u003c\/p\u003e\u003cp\u003eIt is designed for \u003cstrong\u003enon-health hazard applications\u003c\/strong\u003e and can be installed under continuous pressure service to protect against both backpressure and backsiphonage. This assembly is primarily used on \u003cstrong\u003efire line sprinkler systems\u003c\/strong\u003e when monitoring unauthorized water use is necessary, and it includes a \u003cstrong\u003egallons per minute meter\u003c\/strong\u003e that measures water flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures \u003cstrong\u003eLead Free* construction\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eExtremely compact design, \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional designs.\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve constructed from \u003cstrong\u003e304 Schedule 40 stainless steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eGroove fittings allow integral pipeline adjustment for easy installation.\u003c\/li\u003e\n\u003cli\u003eUnique tri-link spring checks provide the \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUnmatched ease of serviceability with removable, serviceable tri-link checks without special tools.\u003c\/li\u003e\n\u003cli\u003eTri-link checks have \u003cstrong\u003ereversible elastomer discs\u003c\/strong\u003e that provide drip tight closure against reverse flow.\u003c\/li\u003e\n\u003cli\u003eCan be used for \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eUL\/FM grooved gear operated butterfly valve shutoffs with tamper switch\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a bypass assembly with a meter that registers in gallon or cubic measurement.\u003c\/li\u003e\n\u003cli\u003eReplaceable check disc rubber.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNOTICE: The 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":49796716036373,"sku":"0124720","price":24472.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180066.jpg?v=1772727564"},{"product_id":"8-lf757ndcda-osy-gpm","title":"8 LF757NDCDA-OSY-GPM","description":"\u003cp\u003eThis 8 inch \u003cstrong\u003eLead Free\u003c\/strong\u003e double check detector backflow preventer assembly, Series LF757NDCDA, is designed to prevent the backflow of non-health hazard pollutants that are objectionable but not toxic from entering the potable water supply system. It is suitable for continuous pressure service, protecting against both \u003cstrong\u003ebackpressure and backsiphonage\u003c\/strong\u003e. This assembly is primarily used on \u003cstrong\u003efire sprinkler lines\u003c\/strong\u003e when it is necessary to monitor unauthorized use of water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e construction ensures the wetted surface contacted by consumable water contains less than 0.25% of lead by weight.\u003c\/li\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact design\u003c\/strong\u003e, 70% lighter than traditional designs.\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve constructed from \u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003eUnique \u003cstrong\u003etri-link spring check\u003c\/strong\u003e design provides the lowest pressure 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Its compact housing consists of two independently operating tri-link check valves, two shutoff valves, and four test cocks. It has a gallons per minute 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":50164278100245,"sku":"DDP0111554","price":21807.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193691.jpg?v=1789587730"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-ulfm-butterfly-valve-shutoffs-cubic-feet-meter-n-pattern-36497","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, UL\/FM Butterfly Valve Shutoffs, Cubic Feet Meter, N Pattern","description":"This 8\", 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 UL\/FM butterfly 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":50164279017749,"sku":"DDP0111749","price":31783.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193702.jpg?v=1789588586"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-cubic-feet-meter-36548","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Cubic Feet Meter","description":"This 8\" 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":50164288061717,"sku":"DDP0111548","price":21807.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193762.jpg?v=1789651788"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-domestic-osy-shutoff-valves-cubic-feet-meter-36553","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, Domestic OSY Shutoff Valves, Cubic Feet Meter","description":"This 8\" 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. The compact modular design with a single access cover for easy maintenance is approved for horizontal and vertical flow up installation. This assembly 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":50164289143061,"sku":"DDP0113092","price":21807.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193767.jpg?v=1789651962"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-ulfm-butterfly-valve-shutoffs-cubic-feet-meter-36554","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, UL\/FM Butterfly Valve Shutoffs, Cubic Feet Meter","description":"This 8\" 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 UL\/FM butterfly 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":50164289306901,"sku":"DDP0111747","price":22335.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193768.jpg?v=1789652018"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-without-meter-36560","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Without Meter","description":"This 8\" 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 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":50164290552085,"sku":"DDP0111841","price":21648.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193774.jpg?v=1789652299"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valve-x-post-indicator-valve-cubic-feet-meter-36564","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valve x Post Indicator Valve, Cubic Feet Meter","description":"This 8\" stainless steel double check detector backflow preventer is a crucial component in safeguarding potable water from contamination. Used primarily in fire line sprinkler systems where it prevents the backflow of fire suppression materials into the potable water supply, its installation is typically mandated by local authorities in areas identified as non-health hazard continuous pressure applications. It has outside stem and yoke resilient seated gate valves and a cubic foot per minute meter that measures water to detect unauthorized water usage and ground leaks. 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":50164291371285,"sku":"DDP0111209","price":22896.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193778.jpg?v=1789652413"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-cubic-feet-meter-n-pattern-36568","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Cubic Feet Meter, N Pattern","description":"This 8\", 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":50164292157717,"sku":"DDP0111560","price":31224.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193490.jpg?v=1789568620"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-ulfm-butterfly-valve-shutoffs-gallonsminute-meter-36570","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, UL\/FM Butterfly Valve Shutoffs, Gallons\/Minute Meter","description":"This 8\" 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 UL\/FM butterfly shutoff valves, and four test cocks. It has as gallons per minute 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":50164292583701,"sku":"DDP0111748","price":22335.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193492.jpg?v=1789568706"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valve-x-post-indicator-valve-gallonsminute-meter-36630","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valve x Post Indicator Valve, Gallons\/Minute Meter","description":"This 8\" stainless steel double check detector backflow preventer is a crucial component in safeguarding potable water from contamination. Used primarily in fire line sprinkler systems where it prevents the backflow of fire suppression materials into the potable water supply, its installation is typically mandated by local authorities in areas identified as non-health hazard continuous pressure applications. It has outside stem and yoke resilient seated gate valves and a gallons per minute meter that measures water to detect unauthorized water usage and ground leaks. 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":50164305166613,"sku":"DDP0111214","price":22896.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193562.jpg?v=1789573711"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-gallonsminute-meter-n-pattern-36631","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Gallons\/Minute Meter, N Pattern","description":"This 8\", 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 gallons per minute 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":50164305297685,"sku":"DDP0111566","price":31224.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193563.jpg?v=1789573743"},{"product_id":"watts-8-757dcda-double-check-detector-assembly-backflow-preventer-osy-shutoff-valves-flanged-inlet-x-groove-outlet-gallonsminute-meter-36642","title":"Watts 8\" 757DCDA Double Check Detector Assembly Backflow Preventer, OSY Shutoff Valves, Flanged Inlet x Groove Outlet, Gallons\/Minute Meter","description":"This 8\" lead free 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 gallons 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":50164307132693,"sku":"DDP0191605","price":21807.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193576.jpg?v=1789574435"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-watts-dcda-double-check-detector-assemblies-8-757dcda-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}