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The Wilkins 34-600XLDM is a water pressure reducing valve with integral by-pass check valve, direct male meter connection, and strainer designed for reliable pressure control in potable water systems requiring lead-free compliance.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Pressure: 300 psi
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• End Connections: Male Meter Thread

Other Related Variants:

• None

Materials:

• Main Valve Body: Low Lead Cast Bronze ASTM B 584
• Access Covers: Low Lead Brass
• Fasteners: 300 Series Stainless Steel
• Stem & Plunger: Low Lead Brass
• Elastomers: Buna Nitrile, FDA; EPDM, FDA
• Cap Gaskets: Delrin™ 500 Acetal, NSF Listed
• Strainer Screen: 300 Series Stainless Steel

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 Zurn 34-600XLDM may be installed in any position. Multiple installations are recommended 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). Designed for meter setter installations with direct male meter thread connections specifically designed for meter setter applications. The direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.

Standards Compliance:

ASSE Listed 1003; IAPMO Listed; CSA Certified; City of Los Angeles Approved; NSF/ANSI 372; NSF/ANSI/CAN 61

Features & Benefits:

• Balanced Piston Design: Enables smooth and responsive reaction to system flow demand changes while providing protection from inlet pressure changes in both flow and no-flow conditions.
• Integral By-Pass Check Valve: Direct acting design prevents buildup of excessive system pressure caused by thermal expansion, eliminating the need for separate thermal expansion tanks.
• Lead-Free Compliance: Certified to NSF/ANSI 372 with 0.25% maximum weighted average lead content, ideal for potable water applications where lead-free valves are required.
• Meter Connection Ready: Double male meter thread connections specifically designed for meter setter applications simplify installation and reduce required fittings.

FAQ

Q: Can the Zurn 34-600XLDM be installed in any orientation?

A: Yes, the valve may be installed in any position, providing flexibility for various installation configurations and space constraints.

Q: What is the factory preset pressure setting and adjustment range?

A: The valve comes factory set at 50 psi with a standard adjustment range of 25 psi to 75 psi. A high range option (HR) is available for 75 psi to 125 psi applications.

Q: When should multiple valves be installed in series?

A: Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 4 to 1 ratio (for example: 200 psi inlet reduced to 50 psi outlet).

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