{"title":"Backflow Devices - Deringer - RPDA - Reduced Pressure Detector Assemblies - 4\" - D-50G Series","description":null,"products":[{"product_id":"4-deringer-50g-gpm","title":"4 DERINGER 50G GPM","description":"\u003cp\u003eThe \u003cstrong\u003e4 inch Ames Deringer™ 50G Reduced Pressure Detector Assembly\u003c\/strong\u003e is designed to prevent non-health hazard pollutants and hazardous contaminants from entering potable water supply systems due to backpressure or backsiphonage conditions. It is primarily used on \u003cstrong\u003efire sprinkler systems\u003c\/strong\u003e to monitor unauthorized water usage.\u003c\/p\u003e\u003cp\u003eThis backflow preventer features \u003cstrong\u003einline serviceable OS\u0026amp;Y gate valves\u003c\/strong\u003e, a durable \u003cstrong\u003estainless steel housing\u003c\/strong\u003e, and \u003cstrong\u003ePatented Dual-action™ checks\u003c\/strong\u003e for high performance across low and high flow rates. It can be installed for \u003cstrong\u003econtinuous pressure service\u003c\/strong\u003e and includes a \u003cstrong\u003eType II bypass with a GPM meter\u003c\/strong\u003e for monitoring water usage.\u003c\/p\u003e\u003cp\u003eA \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e is integrated to detect excessive water discharges from the relief valve. When activated with an add-on sensor connection kit, this sensor can send alerts to notify personnel of potential flooding. Add-on sensor connection kits are available for BMS and cellular communications.\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 bronze bypass components (wetted surface contains less than 0.25% lead by weight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel housing\u003c\/strong\u003e and \u003cstrong\u003ebraided wire sensing line\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline serviceable AWWA C509\/UL\/FM resilient seated OS\u0026amp;Y gate valves\u003c\/strong\u003e with tamper switch groove\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Dual-action™ second check module\u003c\/strong\u003e providing poppet action at low flow and swing action at high flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoppet action first check\u003c\/strong\u003e for reliable relief valve closure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced chamber relief valve\u003c\/strong\u003e requiring no sliding seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone elastomer check discs\u003c\/strong\u003e and seals\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTamper-resistant test cocks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible groove coupling\u003c\/strong\u003e UL Classified\/FM Approved (between body and gate valves)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFlanged ends ANSI B16.1 Class 125\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrewired supervisory switches\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCuFt or gallons bypass meter\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796799299861,"sku":"D-4050G-GPM","price":5461.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/183277.jpg?v=1772730286"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-deringer-rpda-reduced-pressure-detector-assemblies-4-d-50g-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}