{"product_id":"2-1-2-reduced-pressure-backflow-preventer-valve-with-osy-valve","title":"2-1\/2\" Reduced Pressure Backflow Preventer Valve with OSY Valve","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe 2-1\/2\" Reduced Pressure Backflow Preventer Valve with OSY Valve is engineered for residential fire protection systems, providing reliable backflow prevention combined with visual valve isolation. Designed for fire system installers, plumbing professionals, and facility managers, this device ensures compliance with critical safety standards while offering straightforward maintenance and inspection.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial Durability\u003c\/b\u003e: Heavy-duty cast iron body with corrosion-resistant coatings and stainless steel internal components ensure resilience against harsh environmental conditions and extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eZ Pattern Flow Design\u003c\/b\u003e: Optimized to minimize pressure loss and maximize flow efficiency during activation, supporting consistent water delivery in fire protection scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOS\u0026amp;Y Valve Mechanism\u003c\/b\u003e: Outside Screw and Yoke design provides positive visual indication of valve position, simplifying inspections and system verification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRegulatory Compliance\u003c\/b\u003e: UL Listed, FM Approved, and compliant with ASSE standards for backflow prevention, meeting NFPA 13 and NFPA 25 guidelines for fire sprinkler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational Range\u003c\/b\u003e: Suitable for pressures up to 175 PSI (12.1 bar), compatible with typical residential municipal or private water supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Installation\u003c\/b\u003e: Compact footprint and Z pattern allow installation in tight mechanical spaces with horizontal or vertical orientations, compatible with NRS threaded or grooved connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVisual Identification\u003c\/b\u003e: Finished in vivid red for immediate recognition during inspections or emergencies, enhancing safety and operational awareness.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis Backflow Preventer Valve addresses the critical need to prevent contamination in residential fire protection plumbing by detecting reduced pressure conditions promptly and maintaining system integrity. Its durable construction minimizes downtime through low-maintenance operation, while the integrated OS\u0026amp;Y valve enables easy system isolation for servicing without interrupting water flow. Installing this device helps ensure compliance with fire safety codes and prevents costly water supply contamination, making it an essential component for any residential fire sprinkler system.\n\u003c\/p\u003e \u003cbr\u003e \u003ctable id=\"product-attribute-specs-table\" class=\"data table additional-attributes\"\u003e\n\u003ccaption class=\"table-caption\"\u003eMore Information\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"col label\"\u003eItem Number\u003c\/th\u003e\n\u003ctd data-th=\"Item Number\" class=\"col data\"\u003eM500ZOSY-0250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"col label\"\u003eBrand\u003c\/th\u003e\n\u003ctd data-th=\"Brand\" class=\"col data\"\u003eAmes Backflows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"col label\"\u003eBox Quantity\u003c\/th\u003e\n\u003ctd data-th=\"Box Quantity\" class=\"col data\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Fire Protection Parts","offers":[{"title":"Default Title","offer_id":43296162021466,"sku":"C500ZOS\u0026Y-0250","price":10235.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/0637\/7818\/files\/6-reduced-pressure-detector-assembly-wosy-valves-468658_7d194359-8254-4446-b9e6-946ea0b1f490.jpg?v=1777601925","url":"https:\/\/patriotsafesource.com\/products\/2-1-2-reduced-pressure-backflow-preventer-valve-with-osy-valve","provider":"Patriot SafeSource","version":"1.0","type":"link"}