{"product_id":"4-909rpda-dosy-gpm-fs","title":"4 909RPDA-DOSY-GPM-FS","description":"\u003cp\u003eThis \u003cstrong\u003e4 inch reduced pressure detector backflow preventer assembly\u003c\/strong\u003e prevents the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply due to \u003cstrong\u003ebacksiphonage\u003c\/strong\u003e and or \u003cstrong\u003ebackpressure\u003c\/strong\u003e. It is ideal for protection in \u003cstrong\u003econtinuous pressure piping applications\u003c\/strong\u003e and at cross-connections identified as \u003cstrong\u003ehealth hazards\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConsists of an \u003cstrong\u003eepoxy coated cast iron body\u003c\/strong\u003e, domestic \u003cstrong\u003eOSY resilient seated gate valves\u003c\/strong\u003e, \u003cstrong\u003ecaptured spring check valves\u003c\/strong\u003e, \u003cstrong\u003ereplaceable stainless steel seats\u003c\/strong\u003e, top mounted test cocks, and a \u003cstrong\u003epressure differential relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe coating on this backflow assembly uses \u003cstrong\u003eArmorTek®\u003c\/strong\u003e, a patented 3-part advanced epoxy coating system designed to limit both \u003cstrong\u003emicrobial induced (MIC)\u003c\/strong\u003e and exposed metal substrate \u003cstrong\u003ecorrosion\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003ecompact design\u003c\/strong\u003e for economy combined with performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular check design\u003c\/strong\u003e facilitates maintenance and assembly access.\u003c\/li\u003e\n\u003cli\u003eNo special tools required for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIntegrated Metering \u0026amp; Sensing\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003eGPM (gallons per minute) meter\u003c\/strong\u003e to detect underground leaks and unauthorized water use.\u003c\/li\u003e\n\u003cli\u003eContains a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eWhen activated through an \u003cstrong\u003eadd-on sensor connection kit\u003c\/strong\u003e (sold separately), the flood sensor relays a signal that triggers notification of potential flooding to service personnel.\u003c\/li\u003e\n\u003cli\u003eFlood alerts are compatible with Building Management Systems (BMS) and cellular network communication via the add-on sensor connection kit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides \u003cstrong\u003emaximum flow at low pressure drop\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir-in\/Water-out relief valve design\u003c\/strong\u003e provides maximum capacity during emergency conditions.\u003c\/li\u003e\n\u003cli\u003eOperating \u003cstrong\u003etemperature range\u003c\/strong\u003e: 33°F - 140°F (0.5°C ~ 60°C) continuous.\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: \u003cstrong\u003e175 psi (12.1 bar)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e An add-on connection kit (sold separately) is required to activate the flood sensor. Without the connection kit, the sensor is a passive component that has no communication with any other device. The use of the flood sensor does not replace the need to comply with all required instructions, codes, and regulations related to installation, operation, and maintenance of this product, including the need to provide proper drainage in the event of a discharge.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796775903509,"sku":"88009382","price":24880.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182348.jpg?v=1772729435","url":"https:\/\/www.backflowpreventer.com\/products\/4-909rpda-dosy-gpm-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}