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The Wilkins 114-500XLYSBR is a water pressure reducing valve with integral bypass check valve, designed for industrial and commercial water systems requiring reliable pressure control and thermal expansion protection.

Key Specifications:

• Size: 1 1/4 Inches
• Maximum Working Pressure: 300 psi
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Connection Type: Single Union FNPT

Other Related Variants:

• 112-500XLYSBR: 1/2 Inch version
• 34-500XLYSBR: 3/4 Inch version
• 1-500XLYSBR: 1 Inch version
• 212-500XLYSBR: 1 1/2 Inch version
• 2-500XLYSBR: 2 Inch version

Materials:

• Body & Covers: Low Lead Bronze/Brass per ASTM B 584
• Fasteners: Stainless Steel, 300 series
• Stem & Plunger: Low Lead Bronze/Brass
• Elastomers: Buna Nitrile (FDA approved)
• Elastomers: EPDM (FDA approved)
• Springs: Oil Tempered Wire, ASTM A 229
• Seat: Stainless Steel, 300 series
• Cap Gaskets: Natural Vulcanized Fibre
• Strainer: Lead-Free Bronze

Typical Installation:

Local codes shall govern installation requirements. The assembly shall be mounted in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. The assembly shall be installed with sufficient side clearance for testing and maintenance. The Model 500XL 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 3 to 1.

Standards Compliance:

ASSE 1003; cUPC; CSA B356; City of Los Angeles; NSF/ANSI/CAN 61; NSF/ANSI/CAN 372

Features & Benefits:

• Thermal Expansion Protection: Direct acting integral bypass design prevents excessive system pressure buildup caused by thermal expansion.
• Balanced Piston Design: Ensures smooth and responsive pressure regulation during flow demand changes while providing protection from inlet pressure variations.
• High Flow Capacity: Optimized for industrial water lines and commercial water systems requiring substantial flow rates.
• Flexible Installation: Can be installed in any position with included lead-free bronze Y strainer for inlet protection.

FAQ

Q: What pressure reduction ratio is recommended for the Zurn 114-500XLYSBR?

A: The Wilkins 114-500XLYSBR is recommended for pressure reductions not exceeding a 3:1 ratio. For greater reductions, multiple installations in series are recommended.

Q: Can the 114-500XLYSBR be installed in a pit or vault?

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

Q: What is the factory preset pressure for the Zurn 114-500XLYSBR?

A: The valve is factory preset at 50 psi and is field adjustable within the 25-75 psi range. Always use a downstream pressure gauge when adjusting.

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