The Wilkins 34-600XLC is a 3/4" water pressure reducing valve with integral by-pass check valve and strainer, designed to reduce high inlet pressure to a lower outlet pressure for residential and commercial applications.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: Copper Sweat Connection

Other Related Variants:

• 12-600XLC: 1/2 Inch version
• 1-600XLC: 1 Inch model size
• 114-600XLC: 1 1/4 Inch model size
• 112-600XLC: 1 1/2 Inch model size
• 2-600XLC: 2 Inch model size

Materials:

• Main Valve Body: Low Lead Cast Bronze ASTM B 584
• Access Covers: Low Lead Cast Bronze/Brass
• Fasteners: Stainless Steel (300 Series)
• Stem & Plunger: Low Lead Bronze/Brass
• Strainer Screen: Stainless Steel (300 Series)
• Seat: Stainless Steel (300 Series)
• Elastomers: Buna Nitrile (FDA Approved)
• Elastomers: EPDM (FDA Approved)
• Cap Gaskets: Natural Vulcanized Fibre
• Cap Gaskets: Acetal (Delrin)

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted in accordance with the latest edition of the Uniform Plumbing Code. The Model 600XL may be installed in any position. If installed in a pit, vault or inside application, specify the "SC" sealed cage option. Multiple installations are recommend for wide demand variations or where the desired pressure reduction is more than 4 to 1 (i.e.: 200 psi inlet reduced to 50 psi outlet). Anytime a reducing valve is adjusted, a pressure gauge must be used downstream to verify correct pressure setting. Do not bottom adjustment bolt on bell housing.

Standards Compliance:

ASSE Listed 1003; IAPMO Listed; CSA Certified; City of Los Angeles Approved; NSF/ANSI/CAN 61

Features & Benefits:

• Integral By-pass Check Valve: Prevents buildup of excessive system pressure caused by thermal expansion while maintaining consistent outlet pressure.
• Balanced Piston Design: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.
• Integrated Strainer: Built-in 20 mesh strainer with separate access cover makes cleaning convenient for systems with sediment and debris.
• Flexible Installation: Can be installed in any position with options available for pit, vault, or indoor applications using the SC sealed cage option.

FAQ

Q: What is the standard pressure range for the Zurn 34-600XLC?

A: The standard reduced pressure range is 25 psi to 75 psi, with the valve factory preset at 50 psi. Different spring ranges are available through optional configurations.

Q: Can the Wilkins 34-600XLC be installed vertically or horizontally?

A: Yes, the Zurn 34-600XLC may be installed in any position. For pit, vault, or indoor installations, specify the "SC" sealed cage option.

Q: What should I know about pressure reduction ratios?

A: Multiple valve installations are recommended when the desired pressure reduction is more than 4 to 1 (for example, reducing 200 psi inlet to 50 psi outlet). Always use a downstream pressure gauge when adjusting the valve.

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