{"title":"Backflow Devices - Ames - RPDA - Reduced Pressure Detector Assemblies - 4\" - M500 Series","description":null,"products":[{"product_id":"4-m500n-osy-gpm","title":"4 M500N-OSY-GPM","description":"\u003cp\u003eThe Maxim™ M500N 4 inch reduced pressure detector backflow preventer assembly is designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. It is ideal for health-hazard non-potable service applications such as fire line, irrigation, or industrial processing, and monitors unauthorized water use.\u003c\/p\u003e\u003cp\u003eThis assembly prevents 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 or backpressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, 70% lighter than traditional designs\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve constructed from \u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eUL and FM outside stem and yoke resilient seated gate valves\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Link Check\u003c\/strong\u003e provides lowest pressure loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow integral pipeline adjustment and easy installation\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003eN pattern horizontal installation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFurnished with a \u003cstrong\u003egallon per minute meter\u003c\/strong\u003e to detect leaks and unauthorized water use\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003ecorrosive-resistant bottom mounted pressure relief valve\u003c\/strong\u003e and \u003cstrong\u003ebronze body nickel plated test cocks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUnmatched ease of serviceability with a single access cover\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003ereplaceable check disc rubber\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eIt is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Consult local water authorities before installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796610654485,"sku":"0191130","price":15157.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/176160.jpg?v=1772724257"},{"product_id":"4-m500z-osy-gpm","title":"4 M500Z-OSY-GPM","description":"4 IN SS Reduced Pressure Detector Backflow Preventer Assembly, Maxim, OSY Shutoff Valves, Link Check Modules, Gallons\/Minute Meter, Z Pattern","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796614291733,"sku":"0191142","price":15158.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/176331.jpg?v=1772724392"},{"product_id":"4-m500n-bfg-gpm","title":"4 M500N-BFG-GPM","description":"\u003cp\u003eThe \u003cstrong\u003eMaxim™ 4 inch Reduced Pressure Detector Backflow Preventer Assembly\u003c\/strong\u003e, model M500N-BFG-GPM, is engineered to safeguard potable drinking water supplies from contamination.\u003c\/p\u003e\u003cp\u003eThis assembly prevents the reverse flow of non-potable water from dangerous cross-connections into the main water supply, making it ideal for fire sprinkler systems and industrial processing applications. It is also equipped with a \u003cstrong\u003egallon per minute (GPM) meter\u003c\/strong\u003e to monitor unauthorized water use or detect underground leaks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDesign \u0026amp; Construction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely Compact Design\u003c\/strong\u003e: Allows for installation in smaller enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight\u003c\/strong\u003e: 70% lighter than traditional backflow preventer designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing \u0026amp; Sleeve\u003c\/strong\u003e: Constructed from \u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e for durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral Pipeline Adjustment\u003c\/strong\u003e: Achieved through \u003cstrong\u003egroove fittings\u003c\/strong\u003e for easy installation and alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess \u0026amp; Maintenance\u003c\/strong\u003e: Features a single access cover for unmatched ease of serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePerformance \u0026amp; Components\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Modules\u003c\/strong\u003e: Two independent \u003cstrong\u003eLink Check modules\u003c\/strong\u003e with a patented design for \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Discs\u003c\/strong\u003e: Reversible elastomer discs and replaceable check disc rubber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShutoff Valves\u003c\/strong\u003e: Equipped with \u003cstrong\u003eUL and FM grooved gear operated butterfly valves with tamper switches\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Valve\u003c\/strong\u003e: Bottom-mounted, corrosive-resistant differential pressure relief valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Orientation\u003c\/strong\u003e: Approved for \u003cstrong\u003ehorizontal N pattern installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Cocks\u003c\/strong\u003e: Made with \u003cstrong\u003ebronze body nickel plated test cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dish-washing, in the United States. 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