Wilkins ZW4004SS-S | 2-1/2" Pressure-Tru Fire Control Valve, Angle Type
Wilkins ZW4004SS-S | 2-1/2" Pressure-Tru Fire Control Valve, Angle Type is backordered and will ship as soon as it is back in stock.
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Wilkins ZW4004SS-S | 2-1/2" Pressure-Tru Fire Control Valve, A...
NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins ZW4004SS-S is a Pressure-Tru™ automatic fire control pressure reducing valve with supervisory switch for sprinkler systems.
Key Specifications:
- Size: 2 1/2 Inches
- Maximum Inlet Pressure: 400 psi
- Notable Certifications: UL Listed, C-UL Listed, NYC MEA 325-06-E, California State Fire Marshal
- End Connections: FNPT ANSI B1.20.1
- Valve Configuration: Angle type with supervisory switch
Other Related Variants:
- ZW4004SS-R: Pressure setting R
- ZW4004SS-T: Pressure setting T
- ZW4004SS-U: Pressure setting U
Materials:
- Cast bronze ASTM B 584 castings and internals
- Buna Nitrile elastomers (FDA approved)
- EPDM elastomers (FDA approved)
Typical Installation:
The Zurn ZW4004SS-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; SS option - California State Fire Marshal Listed
Features & Benefits:
- Factory Set Pressure Profile: Non-field adjustable with pressure profile S setting ensures consistent pressure regulation under both flow and no-flow conditions.
- Integral Supervisory Switch: Built-in listed supervisory switch (3 A @ 125 VAC) with tamper resistant cover for valve position monitoring and fire system compliance.
- Tapped & Plugged Gauge Ports: Inlet and outlet gauge ports facilitate easy pressure monitoring and system diagnostics during installation and maintenance.
- Cast Bronze Construction: Durable ASTM B 584 cast bronze body with FDA approved Buna Nitrile and EPDM elastomers ensures long-lasting performance in fire protection systems.
FAQ
Q: What is the difference between pressure settings S, R, T, and U?
A: Each pressure setting (S, R, T, U) represents a different factory-set outlet pressure profile. Refer to the residual pressure charts to select the appropriate setting based on your inlet pressure and required downstream pressure for your sprinkler system design.
Q: Can the Wilkins ZW4004SS-S pressure setting be adjusted in the field?
A: No, the ZW4004SS-S is factory set and non-field adjustable. You must select the correct pressure profile setting (S, R, T, or U) at the time of ordering based on your system requirements.
Q: What is the purpose of the supervisory switch on this valve?
A: The integral supervisory switch monitors valve position and provides a contact rating of 3 amps @ 125 VAC. It alerts the fire alarm system if the valve is closed or tampered with, ensuring fire protection system integrity and code compliance.
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.
