The Wilkins 1/2-600XLC 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 frequent cleaning due to sediment.

Key Specifications:

• Size: 1/2 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:

• 34-600XLC: 3/4 Inch model size
• 1-600XLC: 1 Inch model size
• 114-600XLC: 1 1/4 Inches model size
• 112-600XLC: 1 1/2 Inches model size
• 2-600XLC: 2 Inches 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:

• Balanced Piston Design: Provides smooth and responsive reaction to system flow demand changes while protecting against inlet pressure variations.
• Integral By-Pass Check Valve: Prevents buildup of excessive system pressure caused by thermal expansion, protecting the water system.
• Integral Strainer: Makes the Zurn 12-600XLC most suitable for systems requiring frequent cleaning because of sediment and debris.
• Flexible Installation: Can be installed in any position, with sealed cage option available for pit, vault, or indoor applications.

FAQ

Q: Can the Zurn Wilkins 12-600XLC be installed in any orientation?

A: Yes, the Model 600XL may be installed in any position. For pit, vault, or indoor applications, specify the "SC" sealed cage option.

Q: What pressure reduction ratio is recommended for the Wilkins 12-600XLC?

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

Q: How should I adjust the downstream pressure on this valve?

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

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