{"product_id":"2-1-2-double-check-assembly-with-osy-valve","title":"2-1\/2\" Double Check Assembly With OSY Valve","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe 2-1\/2\" Double Check Assembly with OS\u0026amp;Y Valve is designed specifically for fire protection professionals seeking a durable and compliant backflow prevention solution. Its rugged construction and visible valve mechanism make it an essential component for maintaining potable water integrity in fire sprinkler systems.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction\u003c\/b\u003e: Crafted from ductile iron to resist corrosion and mechanical stress, ensuring long-term reliability in demanding fire protection environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCorrosion-Resistant Components\u003c\/b\u003e: Features stainless steel springs and corrosion-proof fasteners for enhanced durability of internal parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Check Valves\u003c\/b\u003e: Utilizes machined seats within double check valves to provide a tight seal that effectively prevents backflow contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOS\u0026amp;Y Valve Design\u003c\/b\u003e: Outside Screw and Yoke valve offers visible stem position, simplifying operation and inspection without interrupting system flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRegulatory Compliance\u003c\/b\u003e: UL Listed under UL 1469 and FM Approved to meet rigorous safety standards, including NFPA 13 and NFPA 24 requirements for fire protection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Pressure Rating\u003c\/b\u003e: Supports up to 175 PSI (12.1 bar), suitable for commercial and institutional fire sprinkler networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Connection Options\u003c\/b\u003e: Available with National Standard Thread (NRS) or ANSI B16.1 flanged ends for compatibility with diverse piping configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis assembly addresses common challenges in fire protection water systems by reliably preventing backflow contamination without compromising flow continuity during maintenance. Its visible OS\u0026amp;Y valve stem allows facility managers and inspectors to confirm valve status quickly, reducing inspection times and system downtime. Engineered to adhere to strict industry codes and withstand harsh operational conditions, this backflow preventer supports the integrity and safety of fire sprinkler lines. Its balance of tough materials, precise valve seating, and user-friendly OS\u0026amp;Y operation make it an efficient choice for professionals focused on dependable water control and compliance in fire protection installations.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fire Protection Parts","offers":[{"title":"Default Title","offer_id":42419280216144,"sku":"C200NOS\u0026Y-0250","price":5987.13,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/9940\/5392\/files\/2-12-double-check-assembly-n-pat-wosy-128073.jpg?v=1779397584","url":"https:\/\/shop.water-services.us\/products\/2-1-2-double-check-assembly-with-osy-valve","provider":"store.water-services.us","version":"1.0","type":"link"}