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The Wilkins 114-500XLHLR is a water pressure reducing valve with integral bypass check valve designed for commercial and industrial potable water systems, featuring balanced piston design for smooth pressure regulation 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, NSF/ANSI/CAN 61
• Connection Type: Single Union FNPT

Other Related Variants:

• 112-500XLHLR: 1/2 Inches size
• 34-500XLHLR: 3/4 Inches size
• 1-500XLHLR: 1 Inches size
• 2-500XLHLR: 2 Inches size
• 3-500XLHLR: 3 Inches size

Materials:

• 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)
• Springs: Oil Tempered Wire, ASTM A 229
• Seat: Stainless Steel, 300 Series
• Cap Gaskets: Natural Vulcanized Fibre / Acetal (Delrin 500)

Typical Installation:

Local codes shall govern installation requirements. The assembly shall be mounted 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 ratio. A pressure gauge must be used downstream to verify correct pressure setting.

Standards Compliance:

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

Features & Benefits:

• High Flow Capacity: Ideal for industrial water lines and commercial water systems with excellent flow performance.
• Thermal Expansion Protection: Direct acting integral bypass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balanced Piston Design: Provides smooth and responsive operation to changes in system flow demand with protection from inlet pressure fluctuations.
• Flexible Installation: Can be installed in any position with accessible maintenance without removing body from the line.

FAQ

Q: What is the pressure range for the Zurn 114-500XLHLR with HLR option?

A: The HLR option provides a spring range of 10 psi to 125 psi, factory set at 50 psi and field adjustable.

Q: Can the Wilkins 114-500XLHLR be installed in any orientation?

A: Yes, the Model 500XL may be installed in any position. For pit or vault installations, specify the "SC" sealed cage option.

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

A: Multiple installations are recommended for pressure reductions exceeding a 3:1 ratio for optimal performance.

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