{"product_id":"4-475-rpda-di-body-n-pattern-gal-mtr-bfly-grv-x-grv","title":"4 475 RPDA DI BODY N PATTERN GAL MTR BFLY GRV X GRV","description":"\u003cp\u003eThe Zurn Model 475DABG is a \u003cstrong\u003e4-inch Reduced Pressure Detector Backflow Assembly\u003c\/strong\u003e configured in an \u003cstrong\u003eN-Pattern\u003c\/strong\u003e for fire protection systems. It provides crucial protection against backsiphonage and backpressure, featuring a \u003cstrong\u003emetered bypass\u003c\/strong\u003e to identify leaks and unauthorized water usage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eN-Pattern design\u003c\/strong\u003e optimizes installation in compact spaces, suitable for new or retrofit applications.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003egrooved end butterfly valves\u003c\/strong\u003e that include integral supervisory switches.\u003c\/li\u003e\n\u003cli\u003eIncorporates a standard \u003cstrong\u003egpm meter\u003c\/strong\u003e for flow measurement and leak detection.\u003c\/li\u003e\n\u003cli\u003eSmall footprint facilitates easy integration into fire protection retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for installation on water lines within \u003cstrong\u003ehigh hazard fire protection systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eProtects the potable water supply from contamination by preventing both \u003cstrong\u003ebacksiphonage\u003c\/strong\u003e and \u003cstrong\u003ebackpressure\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe metered bypass system helps in detecting minor leaks and unauthorized water consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Materials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain Valve Body: \u003cstrong\u003eDuctile Iron\u003c\/strong\u003e (ASTM A 536 Grade 4)\u003c\/li\u003e\n\u003cli\u003eAccess Covers: \u003cstrong\u003eDuctile Iron\u003c\/strong\u003e (ASTM A 536 Grade 4)\u003c\/li\u003e\n\u003cli\u003eProtective Coatings: \u003cstrong\u003eFDA Approved fusion epoxy finish\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFasteners: \u003cstrong\u003eStainless Steel, 300 Series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eElastomers: \u003cstrong\u003eEPDM\u003c\/strong\u003e (FDA approved) and \u003cstrong\u003eBuna Nitrile\u003c\/strong\u003e (FDA approved)\u003c\/li\u003e\n\u003cli\u003ePolymers: \u003cstrong\u003eNORYL™\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSprings: \u003cstrong\u003eStainless Steel, 300 series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePerformance Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaximum Working Water Pressure: \u003cstrong\u003e175 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum Working Water Temperature: \u003cstrong\u003e140°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHydrostatic Test Pressure: \u003cstrong\u003e350 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eEnd Connections: \u003cstrong\u003eGrooved for steel pipe\u003c\/strong\u003e (AWWA C606)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796851040533,"sku":"4-475DABG","price":18802.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184568.jpg?v=1772731996","url":"https:\/\/www.backflowpreventer.com\/products\/4-475-rpda-di-body-n-pattern-gal-mtr-bfly-grv-x-grv","provider":"Water Specialties Company","version":"1.0","type":"link"}