{"product_id":"6-double-check-assembly-with-os-y-valve-for-fire-protection","title":"6\" Double Check Assembly With OS\u0026Y Valve For Fire Protection","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe 6\" Double Check Assembly with OS\u0026amp;Y Valve is engineered specifically for fire protection systems in medium to large commercial and industrial facilities. Offering reliable backflow prevention combined with a robust OS\u0026amp;Y valve, it provides clear operational status for safety-critical sprinkler and water-based fire suppression setups.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eConstruction Material\u003c\/b\u003e: Heavy-duty ductile iron body with industrial-grade epoxy coating resists corrosion and mechanical wear in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual Check Modules\u003c\/b\u003e: Glass-filled thermoplastic components designed for minimal pressure drop and enduring high flow rates essential for fire protection water supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSealing Technology\u003c\/b\u003e: Replaceable EPDM elastomer seats provide chemical resistance and consistent, long-lasting seals against backflow contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOS\u0026amp;Y Valve\u003c\/b\u003e: Stainless steel stem and bronze body with outside screw \u0026amp; yoke design for transparent valve position indication, streamlining inspections and maintenance tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure and Flow Capacity\u003c\/b\u003e: Supports up to 175 PSI (12.1 bar) to suit a wide range of fire protection system water pressures without compromising performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnection Standards\u003c\/b\u003e: Flanged ends compliant with ANSI B16.1 allow seamless integration into existing fire system piping configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompliance and Certification\u003c\/b\u003e: UL 311 listed, FM approved, and compliant with ASSE 1015, NFPA 13, and NFPA 25 standards, ensuring regulatory acceptance and reliable backflow prevention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Flexibility\u003c\/b\u003e: Suitable for both horizontal and vertical pipeline orientations with upward flow, including pre-installed test cocks for pressure diagnostics and maintenance verification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis assembly addresses critical challenges such as ensuring potable water safety and maintaining uninterrupted fire protection system readiness. The dual check design effectively prevents backflow contamination, while the OS\u0026amp;Y valve’s external position indicator enhances operational transparency and reduces inspection complexity. Its durable materials extend service life, and the ease of component replacement reduces downtime and maintenance costs over the system’s lifecycle. Ideal for fire protection professionals and facility managers seeking dependable, code-compliant backflow prevention tailored for commercial fire sprinkler systems.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fire Protection Parts","offers":[{"title":"Default Title","offer_id":43234625716287,"sku":"C200NOSY-0600","price":9157.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2796\/0127\/files\/6-double-check-assembly-with-osy-valve-for-fire-protection-5776682.jpg?v=1778257212","url":"https:\/\/shop.denverplumbingrepairs.com\/products\/6-double-check-assembly-with-os-y-valve-for-fire-protection","provider":"Denver Plumbing Repairs \u0026 HVAC","version":"1.0","type":"link"}