Wilkins ZW4000-S | Pressure-Tru™ Fire Hose Standpipe Valve, 2 1/2 Inches
Wilkins ZW4000-S | Pressure-Tru™ Fire Hose Standpipe Valve, 2 1/2 Inches is backordered and will ship as soon as it is back in stock.
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Wilkins ZW4000-S | Pressure-Tru™ Fire Hose Standpipe Valve, 2 1/2 I...
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The 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.
Key Specifications:
- Size: 2 1/2 Inches
- Maximum Inlet Pressure: 250 psi
- Inlet Connection: FNPT or Grooved
- Outlet Connection: Male Hose (NH)
- Notable Certifications: UL and C-UL Listed
Other Related Variants:
- ZW4000-O: 400 psi max inlet pressure version
- ZW4000-P: 360 psi max inlet pressure version
- ZW4000-Q: 310 psi max inlet pressure version
- ZW4000-R: 290 psi max inlet pressure version
- ZW4000-T: 225 psi max inlet pressure version
- ZW4000-U: 200 psi max inlet pressure version
Materials:
- Cast Bronze (ASTM B 584)
- Buna Nitrile Elastomers (FDA approved)
- EPDM Elastomers (FDA approved)
Typical Installation:
The 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.
Standards Compliance:
UL Listed; C-UL Listed; NYC MEA 325-06-E; City of Los Angeles Approved
Features & Benefits:
- Dual Flow Regulation: Regulates pressure under both flow and no-flow conditions for consistent performance.
- Factory Pre-Tapped: Comes factory tapped and plugged for pressure gauges at inlet and outlet for easy monitoring.
- Durable Bronze Construction: Cast bronze body (ASTM B 584) ensures long-lasting durability in demanding fire protection applications.
- Flexible Configuration Options: Available in angle or in-line body styles with FNPT or grooved inlet connections to suit various installation requirements.
FAQ
Q: What is the maximum inlet pressure for the Wilkins ZW4000-S?
A: The ZW4000-S has a maximum inlet pressure rating of 250 psi, ensuring safe operation while maintaining a maximum outlet pressure of 175 psi.
Q: Can this valve be tested hydrostatically at higher pressures?
A: Yes, the inlet side of the valve can be safely tested up to 400 psi during system hydrostatic leak testing.
Q: What connection types are available for the ZW4000-S?
A: 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.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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Always consult with a licensed professional and check local codes before installation. For further details, check the Owners Manual.
Contact us at support@bottlefillingstations.com with any questions.
