The Wilkins 114-600XL 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 protection from thermal expansion.

Key Specifications:

• Size: 1 1/4 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: Single Union

Other Related Variants:

• 12-600XL: 1/2 Inch model size
• 34-600XL: 3/4 Inch model size
• 1-600XL: 1 Inch model size
• 112-600XL: 1 1/2 Inch model size
• 2-600XL: 2 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 Zurn 114-600XL 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:

• Thermal Expansion Protection: Integral by-pass check valve prevents excessive system pressure buildup caused by thermal expansion.
• Balanced Piston Design: Provides smooth and responsive reaction to changes in system flow demand while protecting from inlet pressure variations.
• Integral Strainer: Built-in 20 mesh strainer screen for protection against sediment and debris with easy access for maintenance.
• Flexible Installation: Can be installed in any position with factory preset at 50 psi and adjustable pressure range from 25 to 75 psi.

FAQ

Q: What is the recommended pressure reduction ratio for the Wilkins 114-600XL?

A: Pressure reductions should not exceed a 4:1 ratio. For greater reductions, multiple installations are recommended to ensure optimal performance and longevity.

Q: Can the Zurn 114-600XL be installed in outdoor pits or vaults?

A: Yes, the valve can be installed in pits or vaults when the "SC" sealed cage option is specified, which includes a sealed cage bell housing and stainless steel adjustment screw.

Q: How do I adjust the outlet pressure on this valve?

A: Always use a downstream pressure gauge to verify correct pressure setting when making adjustments. Turn the adjustment bolt on the bell housing to increase or decrease outlet pressure within the 25-75 psi range. Do not bottom the adjustment bolt.

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