{"product_id":"wilkins-zw4000g-r-2-12-fire-hose-pressure-reducing-valve","title":"Wilkins ZW4000G-R | 2 1\/2\" Fire Hose Pressure Reducing Valve","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 ZW4000G-R is a UL Listed 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.\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 290 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e UL Listed, C-UL Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e Grooved AWWA C606\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e Male Hose NFPA 1963\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\u003eZW4000G-P:\u003c\/strong\u003e 360 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000G-Q:\u003c\/strong\u003e 310 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000G-S:\u003c\/strong\u003e 250 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000G-T:\u003c\/strong\u003e 225 psi max inlet pressure version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4000G-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 ZW4000G-R is listed as a standpipe valve for individual hose stations in CLASS I and CLASS III fire protection systems where pressure regulation is required under both flow and no-flow conditions.\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 Condition Pressure Regulation:\u003c\/strong\u003e Regulates pressure under both flow and no-flow conditions for reliable fire protection system performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e Cast bronze body with FDA-approved elastomers ensures durability and long-term reliability in demanding fire protection applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Listings:\u003c\/strong\u003e UL and C-UL Listed with NYC and Los Angeles approvals provide confidence in code compliance and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Monitoring Ready:\u003c\/strong\u003e Factory tapped and plugged inlet and outlet ports facilitate easy pressure gauge installation for system monitoring and testing.\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 difference between the various ZW4000G bonnet types?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each bonnet type (R, P, Q, S, T, U) is designed for different maximum inlet pressures, ranging from 200 psi to 290 psi, allowing you to select the appropriate valve based on your system's specific pressure requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the Wilkins ZW4000G-R be used in both CLASS I and CLASS III systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the Zurn ZW4000G-R is UL Listed as a standpipe valve for individual hose stations in both CLASS I (professional firefighter use) and CLASS III (trained building occupants) fire protection systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of connection does the ZW4000G-R have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The ZW4000G-R features a grooved inlet connection conforming to AWWA C606 standards and a male hose outlet conforming to NFPA 1963 standards.\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":42983793721407,"sku":"ZW4000G-R","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/ZW4000G_AL_a358d592-88df-44f4-ba28-ca72c633e43e.png?v=1772854914","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-zw4000g-r-2-12-fire-hose-pressure-reducing-valve","provider":"BottleFillingStations.com","version":"1.0","type":"link"}