{"title":"Backflow Devices - Ames - DCVA - Double Check Valve Assemblies - 4\" - M200 Series","description":null,"products":[{"product_id":"4-m200-nrs","title":"4 M200-NRS","description":"\u003cp\u003eThis Maxim™ 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross-connections identified as non-health hazards such as on high flow fire systems and from other contaminants found at the service line entrance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact design\u003c\/strong\u003e, 70% lighter than traditional designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle housing sleeve access port\u003c\/strong\u003e for unmatched ease of serviceability; no special tools required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Tri-Link Checks\u003c\/strong\u003e provide lowest pressure loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003eAvailable for \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable check disc rubber\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction Materials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHousing \u0026amp; Sleeve: \u003cstrong\u003e304 (Schedule 40) Stainless Steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eShutoff Valves: \u003cstrong\u003eNon-rising stem resilient seated gate valves (NRS)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eTri-Link Checks: \u003cstrong\u003eNoryl®\u003c\/strong\u003e and \u003cstrong\u003eStainless Steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eElastomers: \u003cstrong\u003eEPDM, Silicone, and Buna 'N'\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCheck Discs: \u003cstrong\u003eReversible Silicone or EPDM\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eTest Cocks: \u003cstrong\u003eLead Free* Bronze Body\u003c\/strong\u003e (Ball valve type).\u003c\/li\u003e\n\u003cli\u003ePins \u0026amp; Fasteners: \u003cstrong\u003e300 Series Stainless Steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSprings: \u003cstrong\u003eStainless Steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796611670293,"sku":"0191014","price":7900.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/176220.jpg?v=1772724304"},{"product_id":"4-m200n-dnrs","title":"4 M200N-DNRS","description":"\u003cp\u003eThe AMES Maxim™ 4 inch lead-free double check valve backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply. It protects against backsiphonage and backpressure in cross-connections identified as non-health hazards, such as high-flow fire systems.\u003c\/p\u003e\u003cp\u003eThis compact modular design features a \u003cstrong\u003e304 stainless steel body\u003c\/strong\u003e, \u003cstrong\u003eTri-Link check valves\u003c\/strong\u003e, and \u003cstrong\u003enon-rising stem (NRS) resilient seated gate valves\u003c\/strong\u003e. It is approved for \u003cstrong\u003eN pattern installation\u003c\/strong\u003e and offers ease of maintenance with a single access sleeve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact modular design\u003c\/strong\u003e with \u003cstrong\u003esingle access sleeve\u003c\/strong\u003e for easy maintenance\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e304 (Schedule 40) Stainless Steel Housing \u0026amp; Sleeve\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-Link check modules\u003c\/strong\u003e provide \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-rising stem (NRS) resilient seated gate valves\u003c\/strong\u003e and \u003cstrong\u003eball valve type test cocks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow integral pipeline adjustment\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure of \u003cstrong\u003e175 PSI (12.06 bar)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-free construction\u003c\/strong\u003e: wetted surface contains less than 0.25% lead by weight\u003c\/li\u003e\n\u003cli\u003eNo special tools required for maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796792516885,"sku":"0191020","price":8562.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/183064.jpg?v=1772730066"},{"product_id":"ames-4-m200na-osy-maxim-double-check-valve-assembly-n-pattern-osy-shutoff-valves-bi-link-check-valves-35198","title":"Ames® 4\" M200NA-OSY Maxim Double Check Valve Assembly, N Pattern, OSY Shutoff Valves, Bi-Link Check Valves","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50124171804949,"sku":"0191167","price":10027.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/192092.jpg?v=1788452989"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-ames-dcva-double-check-valve-assemblies-4-m200-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}