{"product_id":"wilkins-12-500xl-water-pressure-reducing-valve-with-integral-by-pass-check","title":"Wilkins 12-500XL | Water Pressure Reducing Valve with Integral By-pass Check","description":"\u003cp\u003eThe Wilkins 12-500XL is a water pressure reducing valve with integral by-pass check valve designed for potable water lines to reduce high inlet pressure while preventing thermal expansion buildup.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eKey Specifications:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature:\u003c\/strong\u003e 140°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e ASSE 1003, cUPC, CSA B356\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded connections (FNPT): \u003c\/strong\u003eANSI B1.20.1\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eOther Related Variants:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e34-500XL:\u003c\/strong\u003e 3\/4 Inch size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-500XL:\u003c\/strong\u003e 1 Inch size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e114-500XL:\u003c\/strong\u003e 1 1\/4 Inch size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e112-500XL:\u003c\/strong\u003e 1 1\/2 Inch size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e212-500XL:\u003c\/strong\u003e 2 1\/2 Inch size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-500XL:\u003c\/strong\u003e 3 Inch size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eMaterials:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMain Valve Body: Low Lead Cast Bronze ASTM B584\u003c\/li\u003e\n\u003cli\u003eAccess Covers: Low Lead Cast Bronze ASTM B584 \/ Low Lead Brass\u003c\/li\u003e\n\u003cli\u003eFasteners: Stainless Steel, 300 Series\u003c\/li\u003e\n\u003cli\u003eStem \u0026amp; Plunger: Low Lead Cast Bronze ASTM B584 \/ Low Lead Brass\u003c\/li\u003e\n\u003cli\u003eElastomers: Buna Nitrile (FDA Approved) \/ EPDM (FDA Approved)\u003c\/li\u003e\n\u003cli\u003eCap Gaskets: Natural Vulcanized Fibre \/ Acetal (Delrin 500)\u003c\/li\u003e\n\u003cli\u003eSprings: Oil Tempered Wire, ASTM A 229\u003c\/li\u003e\n\u003cli\u003eSeat: Stainless Steel, 300 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Installation:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"background: #f8f9fb; padding: 12px 14px; margin: 0; line-height: 1.7; color: #333;\"\u003eLocal codes shall govern installation requirements. The assembly shall be mounted in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. The assembly shall be installed with sufficient side clearance for testing and maintenance. The Zurn 12-500XL may be installed in any position. If installed in a pit, vault, or inside application, specify the \"SC\" sealed cage option. Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 3 to 1 (i.e.: 150 psi inlet reduced to 50 psi outlet).\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"background: #f8f9fb; border-left: 4px solid #1d85af; padding: 12px 14px; margin: 0; line-height: 1.7; color: #333;\"\u003eASSE Listed 1003 (1\/2\" thru 2 1\/2\"); cUPC Listed (1\/2\" thru 2\"); CSA Certified B356 (1\/2\" thru 2\"); City of Los Angeles Approved (1\/2\" thru 2\"); NSF\/ANSI\/CAN 61 \u0026amp; 372 (Less Than 0.25% Weighted Average Lead Content)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eFeatures \u0026amp; Benefits:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Expansion Protection:\u003c\/strong\u003e Integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Piston Design:\u003c\/strong\u003e Provides smooth and responsive reaction to changes in system flow demand while protecting from inlet pressure changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Capacity:\u003c\/strong\u003e Suitable for industrial water lines and commercial water systems with pressure range of 25-75 psi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Installation:\u003c\/strong\u003e Can be installed in any position with single union connection for easy maintenance access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure reduction ratio is recommended for the Wilkins 12-500XL?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The valve is recommended for pressure reductions not exceeding a 3:1 ratio. For higher ratios, multiple installations are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the Zurn 12-500XL be installed in a pit or vault?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, but when installing in pits, vaults, or inside applications, you must specify the \"SC\" sealed cage option for proper protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I adjust the outlet pressure on this valve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use a downstream pressure gauge for adjustment. Turn the adjustment bolt on the bell housing to achieve desired pressure. Do not bottom the adjustment bolt. Factory preset is 50 psi with a range of 25-75 psi.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eNOTICE:\u003c\/strong\u003e Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ci\u003e \"Hydrate Everyone, Everywhere!\" BottleFillingStations.com | \u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003e Contact us \u003c\/a\u003e \u003c\/i\u003e\u003c\/p\u003e","brand":"Zurn Wilkins","offers":[{"title":"Default Title","offer_id":42884239392831,"sku":"12-500XL","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/12-500XL_AF.jpg?v=1771097638","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-12-500xl-water-pressure-reducing-valve-with-integral-by-pass-check","provider":"BottleFillingStations.com","version":"1.0","type":"link"}