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The Wilkins 2-500XLHR is a water pressure reducing valve with integral by-pass check valve designed for commercial water systems and industrial water lines, featuring HR option with 75-125 psi spring range.

Key Specifications:

• Size: 2 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Connection Type: Single Union FNPT

Other Related Variants:

• 112-500XLHR: 1 1/2 Inches model size
• 114-500XLHR: 1 1/4 Inches model size
• 1-500XLHR: 1 Inch model size
• 212-500XLHR: 2 1/2 Inches model size
• 3-500XLHR: 3 Inches model size

Materials:

• Low Lead Cast Bronze (Body, Access Covers, Stem & Plunger) - ASTM B 584
• Low Lead Brass (Access Covers, Stem & Plunger)
• Stainless Steel (Fasteners - 300 Series, Seat - 300 Series)
• Buna Nitrile (Elastomers - FDA Approved)
• EPDM (Elastomers - FDA Approved)
• Natural Vulcanized Fibre (Cap Gaskets)
• Acetal Delrin 500 (Cap Gaskets)
• Oil Tempered Wire (Springs) - ASTM A 229

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, 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 recommend for wide demand variations or where the desired pressure reduction is more than 3 to 1 (i.e.: 150 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.

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 Pressure Range: HR option provides 75 psi to 125 psi spring range, factory set at 85 psi for demanding applications requiring higher outlet pressures.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balanced Piston Design: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.
• Versatile Installation: Can be installed in any position with single union connection for easy maintenance without removing body from line.

FAQ

Q: What is the difference between the standard 2-500XL and the Zurn 2-500XLHR model?

A: The Wilkins 2-500XLHR features the HR option with a 75-125 psi spring range factory set at 85 psi, compared to the standard model's 25-75 psi range set at 50 psi, making it suitable for applications requiring higher outlet pressures.

Q: Can the 2-500XLHR be installed in a pit or vault application?

A: Yes, the valve may be installed in any position. If installed in a pit, vault, or inside application, it is recommended to specify the "SC" sealed cage option for optimal performance.

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

A: Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 3 to 1 ratio (e.g., 150 psi inlet reduced to 50 psi outlet) for optimal valve performance.

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