Wilkins ZW4004GSS-U | 2.5" Fire Control Valve with Grooved Connections & Switch
Wilkins ZW4004GSS-U | 2.5" Fire Control Valve with Grooved Connections & Switch is backordered and will ship as soon as it is back in stock.
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Wilkins ZW4004GSS-U | 2.5" Fire Control Valve with Grooved Con...
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins ZW4004GSS-U is a Pressure-Tru™ automatic fire control pressure reducing valve designed for reliable fire protection in sprinkler systems.
Key Specifications:
- Size: 2 1/2 Inches
- Maximum Inlet Pressure: 400 psi
- Connection Type: Grooved AWWA C606
- Notable Certifications: UL, C-UL, NYC MEA
- Supervisory Switch: 3 A @ 125 VAC
Other Related Variants:
- ZW4004GSS-Q: Pressure setting Q
- ZW4004GSS-R: Pressure setting R
- ZW4004GSS-S: Pressure setting S
- ZW4004GSS-T: Pressure setting T
Materials:
- Cast bronze ASTM B 584
- Buna Nitrile elastomers (FDA approved)
- EPDM elastomers (FDA approved)
Typical Installation:
The Zurn ZW4004GSS-U is listed as a floor control valve, an indicating valve, and a check valve in automatic sprinkler systems as well as a standpipe valve for CLASS I and CLASS III systems.
Standards Compliance:
UL Listed; C-UL Listed; NYC MEA 325-06-E; City of Los Angeles Approved; California State Fire Marshal Listed
Features & Benefits:
- Pressure Regulation: Regulates pressure under both flow and no-flow conditions for consistent system performance.
- Integral Supervisory Switch: Includes listed supervisory switch with tamper-resistant cover for enhanced monitoring and security.
- Factory Set & Non-Adjustable: Pre-configured pressure profile eliminates field adjustment requirements and ensures proper operation.
- Comprehensive Monitoring Ports: Tapped and plugged ports for pressure gauges enable easy system diagnostics and open/close indication.
FAQ
Q: What is the difference between the pressure setting profiles (Q, R, S, T, U)?
A: Each pressure setting profile corresponds to different inlet/outlet pressure characteristics. Profile U has a maximum inlet pressure of 200 psi, while profiles Q, R, S, and T have higher maximum inlet pressures ranging from 225 to 310 psi. Consult the residual pressure charts to select the appropriate setting for your system requirements.
Q: Can the Wilkins ZW4004GSS-U be field adjusted for different pressure settings?
A: No, the ZW4004GSS-U is factory set and non-field adjustable. The valve is configured with a specific pressure profile (U in this case) at the factory to ensure reliable performance and compliance with fire protection standards.
Q: What systems is this valve approved for?
A: The Zurn ZW4004GSS-U is approved for use as a floor control valve, indicating valve, and check valve in automatic sprinkler systems, as well as a standpipe valve for CLASS I and CLASS III systems. It carries UL, C-UL, NYC MEA 325-06-E, and California State Fire Marshal approvals.
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.
