NOTICE: Product images may vary from the actual item due to differences in size or configuration options.

The Wilkins ZW4004ILGSS-T is a UL Listed automatic fire control pressure reducing valve designed for sprinkler and standpipe systems, regulating pressure 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, NYC MEA 325-06-E
• End Connections: Grooved AWWA C606
• Factory Set Pressure Profile: Type T (225 psi max inlet)

Other Related Variants:

• ZW4004ILGSS-R: Pressure setting R (290 psi max inlet)
• ZW4004ILGSS-S: Pressure setting S (250 psi max inlet)
• ZW4004ILGSS-U: Pressure setting U (200 psi max inlet)

Materials:

• Castings/internals: Cast bronze ASTM B 584
• Elastomers: Buna Nitrile (FDA approved)
• Elastomers: EPDM (FDA approved)

Typical Installation:

The Zurn ZW4004ILGSS-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 (SS option)

Features & Benefits:

• Integrated Supervisory Switch: Integral listed supervisory switch (3 A @ 125 VAC) with tamper resistant cover provides valve position monitoring for enhanced system safety.
• Consistent Pressure Regulation: Non-field adjustable, factory-set design regulates pressure under both flow and no-flow conditions for reliable fire protection system performance.
• Convenient Installation Features: In-line globe configuration with grooved connections and tapped & plugged gauge ports simplifies installation and maintenance procedures.
• Comprehensive Certifications: UL & C-UL Listed with NYC MEA 325-06-E approval and California State Fire Marshal listing ensures code compliance nationwide.

FAQ

Q: What is the difference between pressure profile T and other available settings?

A: Pressure profile T has a maximum inlet pressure rating of 225 psi, while other profiles like R (290 psi), S (250 psi), and U (200 psi) offer different maximum inlet pressure ratings to accommodate various system requirements.

Q: Can the pressure setting be adjusted in the field?

A: No, the Wilkins ZW4004ILGSS-T is non-field adjustable and comes factory set to ensure consistent, reliable pressure regulation according to the specified profile.

Q: What is the purpose of the supervisory switch on this valve?

A: The integral supervisory switch monitors valve position and alerts building monitoring systems if the valve is tampered with or moved from its proper operating position, enhancing fire protection system reliability.

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