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The Wilkins 1-610XL is a high-performance water pressure reducing valve engineered for potable water systems requiring robust pressure reduction with integral by-pass check valve and strainer protection.

Key Specifications:

• Size: 1 Inches
• Inlet Pressure Rating: 400 psi maximum
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: FNPT union inlet x FNPT outlet

Other Related Variants:

• 34-610XL: 3/4 Inches model size

Materials:

• Low Lead Cast Bronze body (ASTM B 584)
• Stainless Steel internals and spring (300 Series)
• Buna Nitrile elastomers (FDA Approved)
• EPDM elastomers (FDA Approved)
• Natural Vulcanized Fibre gaskets
• Acetal (Delrin™) components

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).

Standards Compliance:

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

Features & Benefits:

• High-Pressure Capacity: 400 psi inlet rating with 75-125 psi reduced pressure spring range ensures reliable operation in high-pressure applications.
• Balanced Piston Design: Provides smooth, responsive regulation and stable pressure control during flow demand changes and inlet pressure fluctuations.
• Integral Strainer & By-Pass Check: Built-in strainer screens debris with separate access cap for easy maintenance while integral by-pass prevents thermal expansion pressure buildup.
• Lead-Free Compliance: Meets NSF/ANSI/CAN 61 & 372 for safe potable water use with low lead cast bronze construction and stainless steel internals.

FAQ

Q: What is the factory preset pressure for the Zurn 1-610XL valve?

A: The Wilkins 1-610XL comes factory set at approximately 85 psi and is field adjustable within the 75-125 psi spring range using the adjustment bolt.

Q: Can the Zurn 1-610XL be installed in any orientation?

A: Yes, the valve may be installed in any position—horizontal, vertical, or angled—making it versatile for various installation conditions.

Q: When should I use the 610XL option instead of the standard 600XL valve?

A: Choose the 610XL option when your application requires a higher inlet pressure rating (400 psi vs. 300 psi standard) and you need a reduced outlet pressure in the 75-125 psi range for high-flow potable water systems.

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