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

The Wilkins ZW4000G-T is a UL Listed pressure reducing standpipe valve designed for CLASS I and CLASS III fire hose stations, regulating pressure under both flow and no-flow conditions.

Key Specifications:

• Size: 2 1/2 Inches
• Maximum Inlet Pressure: 225 psi
• Notable Certifications: UL Listed, C-UL Listed
• Inlet Connection: Grooved AWWA C606
• Outlet Connection: Male Hose NFPA 1963

Other Related Variants:

• ZW4000G-P: 360 psi max inlet pressure version
• ZW4000G-Q: 310 psi max inlet pressure version
• ZW4000G-R: 290 psi max inlet pressure version
• ZW4000G-S: 250 psi max inlet pressure version
• ZW4000G-U: 200 psi max inlet pressure version

Materials:

• Cast Bronze Body (ASTM B 584)
• Buna Nitrile Elastomers (FDA approved)
• EPDM Elastomers (FDA approved)

Typical Installation:

Individual hose stations in CLASS I and CLASS III standpipe fire protection systems requiring pressure regulation under both flow and no-flow conditions.

Standards Compliance:

UL Listed; C-UL Listed; NYC MEA 325-06-E; City of Los Angeles Approved; AWWA C606; NFPA 1963; ANSI B1.20.1

Features & Benefits:

• Dual Flow Regulation: Regulates pressure under both flow and no-flow conditions for consistent fire protection system performance.
• Durable Cast Bronze Construction: ASTM B 584 cast bronze body with FDA approved elastomers ensures long-term reliability and safety.
• Multiple Pressure Options: Available in six bonnet configurations (200-400 psi) to match specific system requirements.
• Comprehensive Compliance: UL and C-UL Listed with NYC and Los Angeles approvals for broad code compliance.

FAQ

Q: What is the difference between the Zurn ZW4000G-T and other bonnet types?

A: The ZW4000G-T bonnet type has a maximum inlet pressure rating of 225 psi, ensuring maximum outlet pressure of 175 psi. Other bonnet types (P, Q, R, S, U) offer different maximum inlet pressure ratings ranging from 200 to 360 psi.

Q: Can the Wilkins ZW4000G-T be used for both CLASS I and CLASS III systems?

A: Yes, the Zurn ZW4000G-T is UL Listed as a standpipe valve for individual hose stations in both CLASS I and CLASS III fire protection systems.

Q: What is the minimum recommended pressure differential for the ZW4000G-T?

A: A minimum of 20 psi pressure differential between inlet static pressure and valve outlet set static pressure is recommended to ensure well-regulated and efficient system operation.

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