{"product_id":"3-deringer-30g-gpm","title":"3 DERINGER 30G GPM","description":"\u003cp\u003eThe 3 inch \u003cstrong\u003eAmes Deringer 30G Double Check Detector Valve Assembly\u003c\/strong\u003e (DCDA-II) is engineered to prevent non-health hazard pollutants from entering a potable water supply system due to backpressure and\/or backsiphonage conditions.\u003c\/p\u003e\u003cp\u003eThis \u003cstrong\u003eType II backflow preventer\u003c\/strong\u003e is primarily utilized in \u003cstrong\u003efire sprinkler systems\u003c\/strong\u003e where monitoring of unauthorized water usage is required, featuring a \u003cstrong\u003eGPM bypass meter\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline serviceable OS\u0026amp;Y gate valves\u003c\/strong\u003e with \u003cstrong\u003estainless steel stem\u003c\/strong\u003e and pre-machined groove for supervisory \u003cstrong\u003etamper switches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStainless steel housing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003eDual-action check modules\u003c\/strong\u003e offering \u003cstrong\u003epoppet action at low flow\u003c\/strong\u003e and \u003cstrong\u003eswing action at high flow\u003c\/strong\u003e for high performance\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLead Free bronze bypass components\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTamper-resistant test cocks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSilicone elastomer check discs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlanged end ANSI B16.1 Class 125\u003c\/strong\u003e connections\u003c\/li\u003e\n\u003cli\u003eFlexible groove coupling \u003cstrong\u003eUL\/FM\u003c\/strong\u003e between body and gate valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796804903189,"sku":"D-3030G-GPM","price":3479.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/183509.jpg?v=1772730501","url":"https:\/\/www.backflowpreventer.com\/products\/3-deringer-30g-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}