{"product_id":"nibco-kg900w-1000-lead-free-grooved-twin-disc-check-valve-10-inch","title":"NIBCO KG900W-1000 Lead-Free Grooved Twin-Disc Check Valve, 10 Inch","description":"\u003cp\u003eThe NIBCO KG-900-W-LF is a 10-inch lead-free, grooved twin-disc check valve for fire protection water service. Supplier item KG900W-1000 maps to manufacturer material number NLM25XM.\u003c\/p\u003e\u003ch3\u003eFeatures and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAutomatic check action\u003c\/b\u003e: Spring-actuated twin discs permit forward flow and close against reverse flow; operation is not triggered by fire detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIron body\u003c\/b\u003e: Ductile iron body with a molded Buna-N nitrile seat, bronze discs and stainless steel spring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting\u003c\/b\u003e: Horizontal flow or vertical flow upward. In horizontal piping, keep the disc hinge pin vertical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead-free configuration\u003c\/b\u003e: Lead-free certification does not make a single check valve a complete potable-water cross-connection protection assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical reference\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e \u003cthead\u003e \u003ctr style=\"background-color: #f2f2f2;\"\u003e \u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eTechnical Parameter\u003c\/strong\u003e\u003c\/th\u003e \u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eManufacturer \/ Brand\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eNIBCO\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModel \/ Series Number \/ SIN\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eKG-900-W-LF, NLM25XM; supplier item KG900W-1000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConnection \/ Thread Size \u0026amp; Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e10-inch grooved ends for steel IPS pipe, ANSI\/AWWA C606\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePressure Rating (WWP)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e250 psi non-shock cold working pressure; 220 psi at 180°F per the referenced sheet\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial \/ Body Construction\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eDuctile iron body, bronze twin discs, molded nitrile seat and stainless steel spring\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eAgency Listings \u0026amp; Approvals\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eUL\/ULC Listed and FM Approved; manufacturer identifies WQA NSF\/ANSI 372 lead-free certification\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eApplicable NFPA Standards\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eFollow the exact manufacturer instructions and project\/AHJ requirements\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFollow the pressure-temperature limits and installation instructions for the supplied model. The referenced sheet requires at least five pipe diameters downstream of a pump discharge or elbow; it prohibits steam service and placement near a reciprocating air compressor. Verify the complete system design and AHJ requirements before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer reference:\u003c\/strong\u003e \u003ca href=\"https:\/\/catalog.nibco.com\/Asset\/KG900WLF.pdf\"\u003eNIBCO KG-900-W-LF data sheet, December 2013\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact product reference:\u003c\/strong\u003e \u003ca href=\"https:\/\/catalog.nibco.com\/item\/check-valves-5\/iron-grooved-fire-protection-twin-disc-kg-900-w-lf\/nlm25xm\"\u003eNIBCO NLM25XM product record\u003c\/a\u003e\u003c\/p\u003e","brand":"Nibco Inc.","offers":[{"title":"Default Title","offer_id":46202846773496,"sku":"KG900W-1000","price":3462.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/NIBCO-KG900W-grooved-check-valve-manufacturer.jpg?v=1793503112","url":"https:\/\/fireprotectionparts.net\/products\/nibco-kg900w-1000-lead-free-grooved-twin-disc-check-valve-10-inch","provider":"Fire Protection Parts","version":"1.0","type":"link"}