{"product_id":"wilkins-4-zw209-pilot-operated-pressure-reducing-valve-4-inches","title":"Wilkins 4-ZW209 | Pilot Operated Pressure Reducing Valve, 4 Inches","description":"\u003cp\u003e\u003cstrong\u003eNOTICE:\u003c\/strong\u003e\u003cem\u003e Product images may vary from the actual item due to differences in size or configuration options.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wilkins 4-ZW209 is a pilot-operated pressure reducing valve designed to reduce high inlet pressures to safe, stable outlet pressures in commercial and industrial water applications.\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\u003eValve Size:\u003c\/strong\u003e 4 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot Adjustable Pressure Range:\u003c\/strong\u003e 15–120 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating:\u003c\/strong\u003e 33°F to 140°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e NSF\/ANSI\/CAN 61, ANSI\/AWWA C530\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connections:\u003c\/strong\u003e ANSI Class 150 Flanged\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\u003e212-ZW209:\u003c\/strong\u003e 2 1\/2 Inch valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-ZW209:\u003c\/strong\u003e 2 Inch valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-ZW209:\u003c\/strong\u003e 3 Inch valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-ZW209:\u003c\/strong\u003e 6 Inch valve size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-ZW209:\u003c\/strong\u003e 8 Inch valve 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: Ductile Iron ASTM A536\u003c\/li\u003e\n\u003cli\u003eMain Valve Bonnet: Ductile Iron ASTM A536\u003c\/li\u003e\n\u003cli\u003eDisc Guide: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eSeat: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eDisc: Buna-N Rubber\u003c\/li\u003e\n\u003cli\u003eDiaphragm: Nylon Reinforced Buna-N\u003c\/li\u003e\n\u003cli\u003eStem: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eSpring: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCoating: Fusion Epoxy (FDA Approved)\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;\"\u003eThe recommended installation orientation for the Zurn 4-ZW209 is horizontal, with the valve cover up. 6 inch and larger valves should only be installed horizontally, with the valve cover up, due to the difficulty of properly bleeding air out of the cover and performing maintenance on valves installed in the vertical orientation. The valve should be installed with inlet and outlet shut-off valves for maintenance purposes.\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;\"\u003eANSI\/AWWA C530; NSF\/ANSI\/CAN 61 (0.25% MAX. 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\u003eStable Pressure Regulation:\u003c\/strong\u003e The Wilkins 4-ZW209 pilot assembly reacts to downstream pressure changes, modulating the main valve to ensure constant outlet pressure independent of flow rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Package:\u003c\/strong\u003e Includes pilot assembly, wye strainer, isolation valves, and inlet\/outlet pressure gauges for complete installation and easy maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e FDA-approved fusion epoxy coating on all internal and external ferrous surfaces ensures durability and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Trim:\u003c\/strong\u003e Stainless steel seat, disc guide, stem, and spring provide superior wear resistance and reliability in demanding applications.\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 is the minimum inlet pressure required for the 4-ZW209?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The minimum inlet pressure is 10 psi plus the desired outlet pressure or the friction loss at intended flow, whichever is higher.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the pilot pressure be adjusted in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the pilot spring is field adjustable from 15 psi to 120 psi for precise pressure control tailored to your application requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What size options are available for the Model ZW209?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Model ZW209 is available in sizes ranging from 1 1\/4 inches to 16 inches with threaded, flanged, and grooved end connections to suit various installation requirements.\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":42983791001663,"sku":"4-ZW209","price":5787.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/ZW209_AL.png?v=1772854766","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-4-zw209-pilot-operated-pressure-reducing-valve-4-inches","provider":"BottleFillingStations.com","version":"1.0","type":"link"}