{"product_id":"wilkins-zw4000-s-pressure-tru-fire-hose-standpipe-valve-2-12-inches","title":"Wilkins ZW4000-S | Pressure-Tru™ Fire Hose Standpipe Valve, 2 1\/2 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 ZW4000-S is a Pressure-Tru™ fire hose pressure reducing standpipe valve designed for CLASS I and CLASS III systems, regulating pressure under both flow and no-flow conditions with maximum reliability.\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 2 1\/2 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Inlet Pressure:\u003c\/strong\u003e 250 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e FNPT or Grooved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e Male Hose (NH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e UL and C-UL Listed\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\u003eZW4000-O:\u003c\/strong\u003e 400 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000-P:\u003c\/strong\u003e 360 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000-Q:\u003c\/strong\u003e 310 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000-R:\u003c\/strong\u003e 290 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000-T:\u003c\/strong\u003e 225 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000-U:\u003c\/strong\u003e 200 psi max inlet pressure version\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\u003eCast Bronze (ASTM B 584)\u003c\/li\u003e\n\u003cli\u003eBuna Nitrile Elastomers (FDA approved)\u003c\/li\u003e\n\u003cli\u003eEPDM Elastomers (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 Zurn ZW4000-S is listed as a standpipe valve for individual hose stations in CLASS I and CLASS III fire protection systems. It is designed for installations requiring pressure regulation under both flow and no-flow conditions in commercial, industrial, and high-rise building fire suppression systems.\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;\"\u003eUL Listed; C-UL Listed; NYC MEA 325-06-E; City of Los Angeles Approved\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\u003eDual Flow Regulation:\u003c\/strong\u003e Regulates pressure under both flow and no-flow conditions for consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Pre-Tapped:\u003c\/strong\u003e Comes factory tapped and plugged for pressure gauges at inlet and outlet for easy monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Bronze Construction:\u003c\/strong\u003e Cast bronze body (ASTM B 584) ensures long-lasting durability in demanding fire protection applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Configuration Options:\u003c\/strong\u003e Available in angle or in-line body styles with FNPT or grooved inlet connections to suit various installation requirements.\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 maximum inlet pressure for the Wilkins ZW4000-S?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The ZW4000-S has a maximum inlet pressure rating of 250 psi, ensuring safe operation while maintaining a maximum outlet pressure of 175 psi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this valve be tested hydrostatically at higher pressures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the inlet side of the valve can be safely tested up to 400 psi during system hydrostatic leak testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connection types are available for the ZW4000-S?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The valve is available with either female NPT (FNPT) or grooved inlet connections per AWWA C606, and features a male hose (NH) outlet connection per NFPA 1963.\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":42983793557567,"sku":"ZW4000-S","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/ZW4000_AL_75d79cdf-4148-428b-ad78-4f86db54a3d7.png?v=1772854896","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-zw4000-s-pressure-tru-fire-hose-standpipe-valve-2-12-inches","provider":"BottleFillingStations.com","version":"1.0","type":"link"}