The Wilkins 112-500XL is a water pressure reducing valve with integral by-pass check valve designed for industrial and commercial water systems, delivering reliable pressure control and thermal expansion protection.

Key Specifications:

• Size: 1 1/2 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Threaded connections (FNPT): ANSI B1.20.1
  

Other Related Variants:

• 114-500XL: 1 1/4 Inches model size
• 1-500XL: 1 Inch model size
• 212-500XL: 2 1/2 Inches model size
• 3-500XL: 3 Inches model size
• 12-500XL: 1/2 Inches model size
• 34-500XL: 3/4 Inches model 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)
• Cap Gaskets: Natural Vulcanized Fibre / Acetal (Delrin 500)
• Springs: Oil Tempered Wire, ASTM A 229
• 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 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).

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: The Zurn 112-500XL features balanced piston design ideal for industrial water lines and commercial systems with high demand variations.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Versatile Installation: Can be installed in any position with sufficient side clearance, offering flexibility for various applications including pits and vaults with SC option.
• Durable Construction: Low lead bronze body with stainless steel components and FDA-approved elastomers ensures long-lasting, reliable performance in potable water systems.

FAQ

Q: What is the factory preset pressure setting for the Wilkins 112-500XL?

A: The factory preset is 50 psi, with an adjustable reduced pressure range of 25 psi to 75 psi.

Q: Can the Zurn 112-500XL be installed vertically?

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

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

A: Multiple installations are recommended for pressure reductions exceeding a 3:1 ratio (e.g., reducing 150 psi inlet to 50 psi outlet).

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