Wilkins ZW4004GSS-T | Pressure Reducing Valve, Grooved, with Supervisory Switch
Wilkins ZW4004GSS-T | Pressure Reducing Valve, Grooved, with Supervisory Switch is backordered and will ship as soon as it is back in stock.
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Wilkins ZW4004GSS-T | Pressure Reducing Valve, Grooved, with Superv...
The Wilkins ZW4004GSS-T is a Pressure-Tru™ automatic fire control pressure reducing valve designed for reliable pressure regulation in automatic sprinkler systems and standpipe applications under both flow and no-flow conditions.
Key Specifications:
- Size: 2 1/2 Inches
- Maximum Inlet Pressure: 225 psi
- Connection Type: Grooved AWWA C606
- Notable Certifications: UL, C-UL, NYC MEA
- Supervisory Switch Rating: 3A @ 125VAC
Other Related Variants:
- ZW4004GSS-Q: Pressure setting Q
- ZW4004GSS-R: Pressure setting R
- ZW4004GSS-S: Pressure setting S
- ZW4004GSS-U: Pressure setting U
Materials:
- Cast bronze ASTM B 584 body and internals
- Buna Nitrile elastomers (FDA approved)
- EPDM elastomers (FDA approved)
Typical Installation:
The Zurn ZW4004GSS-T 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:
- Factory Set Pressure Profile: Non-field adjustable pressure profile T ensures consistent performance and prevents unauthorized adjustments.
- Integral Supervisory Switch: Provides tamper indication with 3A @ 125 VAC rated switch and tamper-resistant cover for enhanced system monitoring.
- Dual Condition Regulation: Regulates pressure effectively under both flow and no-flow conditions for reliable fire protection system performance.
- Installation Convenience: Includes tapped and plugged ports for pressure gauges and open/close indicating feature for simplified system diagnostics.
FAQ
Q: What does the "T" pressure setting designation indicate for the Wilkins ZW4004GSS-T?
A: The "T" designation represents a specific factory-set pressure profile with a maximum inlet pressure of 225 psi. This setting is non-field adjustable to ensure consistent system performance and compliance with fire protection standards.
Q: Can this valve be installed in both horizontal and vertical orientations?
A: The Wilkins ZW4004GSS-T features grooved connections and is designed for installation in fire protection systems. Installation orientation should follow manufacturer specifications and local fire codes. Consult the installation manual for specific mounting requirements.
Q: How does the integral supervisory switch function?
A: The integral supervisory switch monitors valve position and provides an electrical signal (3A @ 125 VAC) to indicate tampering or unauthorized valve operation. The tamper-resistant cover helps prevent accidental or intentional interference with valve settings.
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.
