Wilkins ZW4004ILGSS-S | 2 1/2" Fire Control PRV, Grooved, Supervisory Switch
Wilkins ZW4004ILGSS-S | 2 1/2" Fire Control PRV, Grooved, Supervisory Switch is backordered and will ship as soon as it is back in stock.
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Wilkins ZW4004ILGSS-S | 2 1/2" Fire Control PRV, Grooved, Supe...
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins ZW4004ILGSS-S is a Pressure-Tru™ automatic fire control pressure reducing valve designed for reliable pressure regulation in automatic sprinkler and standpipe systems under both flow and no-flow conditions.
Key Specifications:
- Size: 2 1/2 Inches
- Maximum Inlet Pressure: 400 psi
- Notable Certifications: UL Listed, C-UL Listed
- End Connections: Grooved inlet and outlet
- Configuration: In-line globe type
Other Related Variants:
- ZW4004ILGSS-R: Pressure setting R
- ZW4004ILGSS-T: Pressure setting T
- ZW4004ILGSS-U: Pressure setting U
Materials:
- Cast bronze body (ASTM B 584)
- Buna Nitrile elastomers (FDA approved)
- EPDM elastomers (FDA approved)
Typical Installation:
The Zurn ZW4004ILGSS-S 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: Non-field adjustable design ensures consistent pressure regulation for optimal fire protection system performance.
- Integral Supervisory Switch: Built-in listed supervisory switch (3 A @ 125 VAC) monitors valve position with tamper-resistant cover for enhanced system monitoring.
- Dual-Condition Regulation: Regulates pressure effectively under both flow and no-flow conditions for reliable system operation.
- Comprehensive Approvals: UL & C-UL Listed with NYC MEA and Fire Marshal approvals ensure compliance with major fire safety standards.
FAQ
Q: What is the difference between pressure settings S, R, T, and U?
A: Each pressure setting letter represents a different factory-calibrated outlet pressure profile. Refer to the residual pressure charts to select the appropriate setting based on your system's inlet pressure and required downstream pressure.
Q: Can the pressure setting be adjusted in the field?
A: No, the Wilkins ZW4004ILGSS-S is non-field adjustable and comes factory set to ensure reliable, consistent performance according to design specifications.
Q: What is the purpose of the integral supervisory switch?
A: The supervisory switch monitors valve position and provides an electrical signal (3 A @ 125 VAC) to alert system operators of any unauthorized valve tampering or position changes, ensuring fire protection system integrity.
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.
