{"product_id":"3-deringer-50g-gpm","title":"3 DERINGER 50G GPM","description":"\u003cp\u003eThis 3 inch Ames Deringer™ 50G \u003cstrong\u003ereduced pressure detector backflow preventer assembly\u003c\/strong\u003e is designed to prevent \u003cstrong\u003ehazardous contaminants\u003c\/strong\u003e and \u003cstrong\u003enon-health hazard pollutants\u003c\/strong\u003e from entering the potable water supply system.\u003c\/p\u003e\u003cp\u003eIt protects against both \u003cstrong\u003ebackpressure\u003c\/strong\u003e and \u003cstrong\u003ebacksiphonage\u003c\/strong\u003e conditions and is primarily required on fire sprinkler systems for monitoring unauthorized water usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures 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\u003eCan send an alert (with add-on sensor connection kit) to notify personnel about potential flooding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline serviceable OS\u0026amp;Y gate valves\u003c\/strong\u003e and \u003cstrong\u003etamper-resistant test cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDurable \u003cstrong\u003estainless steel housing\u003c\/strong\u003e and body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue-Seal™\u003c\/strong\u003e and \u003cstrong\u003eDual-Action™ check modules\u003c\/strong\u003e provide high performance at low- and high-flow rates.\u003c\/li\u003e\n\u003cli\u003ePatented Dual-Action™ second check module with \u003cstrong\u003epoppet action at low flow\u003c\/strong\u003e and \u003cstrong\u003espring action at high flow\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced chamber relief valve\u003c\/strong\u003e requires no sliding seals.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003eGPM meter\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eLead Free® bronze bypass components.\u003c\/li\u003e\n\u003cli\u003eFlanged ends \u003cstrong\u003eANSI B16.1 Class 125\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Housing\u003c\/strong\u003e: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Cover\u003c\/strong\u003e: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOV Body\u003c\/strong\u003e: CF8M\/304SS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOV Shafts\u003c\/strong\u003e: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Piping\u003c\/strong\u003e: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV Spring\u003c\/strong\u003e: 302 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOV Bearings\u003c\/strong\u003e: PTFE Fluoropolymer\/Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-wetted Bolts\u003c\/strong\u003e: Grade 8 Zinc Plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Disks\u003c\/strong\u003e: Silicone (NSF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWetted Fasteners\u003c\/strong\u003e: 18-8 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Components\u003c\/strong\u003e: Lead Free Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV Housing\u003c\/strong\u003e: 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Springs\u003c\/strong\u003e: 17-7 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Pins\u003c\/strong\u003e: 17-7\/316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Stems\u003c\/strong\u003e: Noryl Polymer (NSF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO-rings\u003c\/strong\u003e: Buna-N (NSF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Internals\u003c\/strong\u003e: ABS Polymer (NSF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV House\u003c\/strong\u003e: Braided Stainless Steel Wire\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796800446741,"sku":"D-3050G-GPM","price":4687.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/183332.jpg?v=1772730340","url":"https:\/\/www.backflowpreventer.com\/products\/3-deringer-50g-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}