{"product_id":"6-lf870-w-dnrs","title":"6 LF870-W-DNRS","description":"\u003cp\u003eThis 6 inch lead free MasterSeries® double check valve backflow preventer assembly with domestic NRS shutoffs is designed to provide drop-in replacement for competitor's N-pattern valves, preventing the backflow of polluted water into the potable water supply due to backsiphonage or backpressure. It is suitable for non-health hazard (pollutant) applications in continuous pressure piping systems, adhering to national plumbing codes and water authority requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003elonger gate-to-gate length\u003c\/strong\u003e for easy drop-in replacement of existing longer valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmorTek® coating technology\u003c\/strong\u003e, a patented three-part advanced epoxy system, protects ductile iron components against microbial-induced corrosion (MIC) and exposed metal substrate.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003ein-line servicing\u003c\/strong\u003e, allowing for easy maintenance without removing the entire assembly.\u003c\/li\u003e\n\u003cli\u003eThe assembly is \u003cstrong\u003eLead Free*\u003c\/strong\u003e, complying with low lead installation requirements (wetted surface contains less than 0.25% lead by weight).\u003c\/li\u003e\n\u003cli\u003eIncorporates a \u003cstrong\u003ecompact modular design\u003c\/strong\u003e with two in-line independent positive seating check modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools are required\u003c\/strong\u003e for servicing the check modules, which are accessed through independent top entry covers.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003ereplaceable seats and discs\u003c\/strong\u003e for extended service life.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003eclapper check assembly\u003c\/strong\u003e and \u003cstrong\u003ecaptured springs\u003c\/strong\u003e for reliable performance.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003ehorizontal and vertical-up N-pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction Details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain valve body is constructed from \u003cstrong\u003efused epoxy ductile iron Grade 65-45-12\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003edomestic NRS (Non-Rising Stem) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel check components\u003c\/strong\u003e, disc holders, and springs ensure durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone elastomer discs\u003c\/strong\u003e provide effective sealing.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003etop-mounted test cocks\u003c\/strong\u003e as specified by AWWA Standard C510.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796682940693,"sku":"88005415","price":13581.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/178881.jpg?v=1772726573","url":"https:\/\/www.backflowpreventer.com\/products\/6-lf870-w-dnrs","provider":"Water Specialties Company","version":"1.0","type":"link"}