{"product_id":"8-957z-nrs","title":"8 957Z-NRS","description":"\u003cp\u003eThis 8 inch reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and non-potable water into the potable water supply. It protects against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements.\u003c\/p\u003e\u003cp\u003eThis extremely compact and lightweight assembly is approved for \u003cstrong\u003ehorizontal Z pattern installation\u003c\/strong\u003e. It is ideal for continuous pressure piping applications and cross-connections identified as health hazards. This assembly features a \u003cstrong\u003e304 (Schedule 40) stainless steel body\u003c\/strong\u003e with a quick access sleeve, \u003cstrong\u003etorsion spring check valves\u003c\/strong\u003e, \u003cstrong\u003eresilient seated non-rising stem (NRS) gate valves\u003c\/strong\u003e, test cocks, and a corrosive resistant \u003cstrong\u003estainless steel bottom mounted pressure relief valve\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 inch\u003c\/strong\u003e nominal pipe size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e housing and sleeve for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-rising stem (NRS) resilient seated gate valves\u003c\/strong\u003e for reliable shutoff\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003ehorizontal Z pattern installation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable check disc rubber\u003c\/strong\u003e for easy maintenance\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBottom mounted cast stainless steel relief valve\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact design\u003c\/strong\u003e, significantly lighter than traditional designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented torsion spring check modules\u003c\/strong\u003e for ease of serviceability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove couplings\u003c\/strong\u003e facilitate installation and pipe alignment\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure of \u003cstrong\u003e175 psi (12.1 bar)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796725506325,"sku":"0111618","price":21352.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/190133.jpg?v=1778092883","url":"https:\/\/www.backflowpreventer.com\/products\/8-957z-nrs","provider":"Water Specialties Company","version":"1.0","type":"link"}