The Wilkins 1-600XLC 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 thermal expansion protection.

Key Specifications:

• Size: 1 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:

• 1/2-600XLC: 1/2 Inches size
• 3/4-600XLC: 3/4 Inches size
• 1 1/4-600XLC: 1 1/4 Inches size
• 1 1/2-600XLC: 1 1/2 Inches size
• 2-600XLC: 2 Inches 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 Zurn 1-600XLC 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:

• Balanced Piston Design: Provides smooth and responsive reaction to changes in system flow demand while protecting against inlet pressure changes.
• Integral By-Pass Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Integrated Strainer: Built-in 20 mesh strainer screen makes the Zurn Wilkins 1-600XLC suitable for systems requiring frequent cleaning due to sediment and debris.
• Flexible Installation: Can be installed in any position for maximum installation flexibility in residential and commercial applications.

FAQ

Q: Can the Wilkins 1-600XLC be installed in a pit or vault?

A: Yes, if installed in a pit, vault, or inside application, specify the "SC" sealed cage option for proper protection.

Q: What pressure reduction ratio is recommended for this valve?

A: Multiple installations are recommended where the desired pressure reduction is more than 4 to 1 (e.g., 200 psi inlet reduced to 50 psi outlet).

Q: How do I adjust the pressure setting on the 1-600XLC?

A: Always use a downstream pressure gauge to verify correct pressure setting when adjusting. Do not bottom the adjustment bolt on the bell housing.

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