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The Wilkins 112-600XLHR is a water pressure reducing valve with integral by-pass check valve and strainer, designed for residential and commercial potable water systems requiring reliable pressure control and debris protection.

Key Specifications:

• Size: 1 1/2 Inches
• Pressure Range (HR Option): 75 psi to 125 psi
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA, NSF 61

Other Related Variants:

• 1-600XLHR: 1 Inch model size
• 114-600XLHR: 1 1/4 Inches model size
• 12-600XLHR: 1/2 Inch model size
• 2-600XLHR: 2 Inches model size
• 34-600XLHR: 3/4 Inch model size

Materials:

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

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 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). 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, protecting water heaters and plumbing systems.
• Balanced Piston Design: Provides smooth and responsive pressure regulation during flow demand changes while protecting against inlet pressure variations.
• Integrated Strainer: Built-in 20 mesh stainless steel strainer provides debris protection, suitable for systems requiring frequent cleaning due to sediment.
• Flexible Installation: Can be installed in any position with various connection options and configurations to meet diverse application requirements.

FAQ

Q: What is the factory preset pressure for the HR option on the Zurn 112-600XLHR?

A: The Zurn 112-600XLHR with HR option comes factory preset at 85 psi, with an adjustable range of 75 psi to 125 psi. A downstream pressure gauge must be used when adjusting the pressure setting.

Q: Can this valve be installed vertically or horizontally?

A: Yes, the Model 600XL may be installed in any position. For installations in pits, vaults, or indoor applications, the "SC" sealed cage option is recommended for protection.

Q: What pressure reduction ratio is recommended for optimal performance?

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

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