{"product_id":"deringer-20g-double-check-backflow-assembly-with-valves","title":"Deringer 20G Double Check Backflow Assembly With Valves","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Deringer 20G Double Check Backflow Assembly with Valves is a robust solution designed for fire protection and industrial plumbing systems that demand reliable prevention of backflow contamination. Ideal for engineers, facility managers, and fire safety professionals, it combines durable construction with regulatory compliance to ensure clean water supply and continuous system performance.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Stainless Steel Construction\u003c\/b\u003e: High-grade stainless steel body and internal components resist corrosion and mechanical wear, extending service life in harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliable Check Valves\u003c\/b\u003e: Equipped with resilient seated stainless steel check valves that provide consistent pressure control and effectively prevent backflow contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOS\u0026amp;Y Gate Valves\u003c\/b\u003e: Stainless steel Outside Stem and Yoke (OS\u0026amp;Y) gate valves offer tamper-resistant operation and simplify maintenance procedures for reduced downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Groove Couplings\u003c\/b\u003e: Designed for rapid and secure installation, flexible groove couplings ensure seamless integration with existing piping, lowering labor time and costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRegulatory Certified\u003c\/b\u003e: Fully compliant with UL, FM, AWWA C509, NFPA 13, and NFPA 25 standards, this assembly meets stringent fire protection and potable water safety requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Installation\u003c\/b\u003e: Rated for typical fire protection system pressures and engineered for both horizontal and vertical mounting, allowing adaptable placement within complex systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nBy preventing backflow contamination, the Deringer 20G assembly safeguards potable water supplies, crucial in fire protection systems where water purity and reliability are paramount. Its stainless steel valves and body provide long-term durability, minimizing maintenance needs and system interruptions. The groove coupling system simplifies installation and retrofit efforts, saving time during upgrades or repairs. This assembly is a practical choice for professionals who prioritize safety, regulatory compliance, and operational efficiency in critical fire suppression infrastructure.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fire Protection Parts","offers":[{"title":"2-1\/2 in.","offer_id":43296313278554,"sku":"20GDC-0250","price":4298.2,"currency_code":"USD","in_stock":true},{"title":"4 in.","offer_id":43296313311322,"sku":"20GDC-0400","price":4747.75,"currency_code":"USD","in_stock":true},{"title":"6 in.","offer_id":43296313344090,"sku":"20GDC-0600","price":7131.13,"currency_code":"USD","in_stock":true},{"title":"8 in.","offer_id":43296313376858,"sku":"20GDC-0800","price":12550.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/0637\/7818\/files\/deringer-20g-dbl-chk-bfp-w-osy-gate-vlvs-752871.png?v=1777604060","url":"https:\/\/patriotsafesource.com\/products\/deringer-20g-double-check-backflow-assembly-with-valves","provider":"Patriot SafeSource","version":"1.0","type":"link"}