NOTICE: Product images may vary from the actual item due to differences in size or configuration options.

The Wilkins 1-500XL3 is a 1 inch water pressure reducing valve designed for commercial and light industrial potable water applications, featuring balanced piston design and integral venturi for superior flow performance.

Key Specifications:

• Size: 1 Inches
• Maximum Working Pressure: 400 PSI
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Threaded connections (FNPT): ANSI B1.20.1
  

Other Related Variants:

• 112-500XL3: 1 1/4 Inches model size
• 114-500XL3: 1 1/4 Inches model size
• 212-500XL3: 2 Inches model size
• 2-500XL3: 2 Inches model size
• 3-500XL3: 3 Inches model size

Materials:

• Low lead cast bronze body ASTM B806
• Low lead cast bronze bell housing ASTM B806
• Stainless steel fasteners, 300 series
• Stainless steel stem, 300 series
• Stainless steel plunger, 300 series
• Buna Nitrile elastomers (FDA approved)
• EPDM elastomers (FDA approved)
• Stainless steel springs, 300 series
• Noryl cartridge

Typical Installation:

Local codes shall govern installation requirements. The assembly shall be mounted in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code. The assembly shall be installed with sufficient side clearance for testing and maintenance. The Zurn 1-500XL3 may be installed in any position. Multiple installations in series are required when 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; NSF/ANSI/CAN 61 & 372

Features & Benefits:

• Superior Flow Performance: Patented integral venturi enables best-in-class flow performance for its size, ideal for commercial plumbing systems.
• Balanced Piston Design: Reacts smoothly and responsively to changes in system flow demand while providing protection from inlet pressure changes.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Easy Maintenance: Removable cartridge and corrosion resistant materials allow for maintenance without removing the body from the line.

FAQ

Q: What is the adjustable pressure range for the Zurn 1-500XL3?

A: The reduced pressure range is adjustable from 15 to 75 PSI, with a factory preset at 50 PSI. A pressure gauge must be used downstream to verify correct pressure setting when adjusting.

Q: Can the Wilkins 1-500XL3 be installed in any orientation?

A: Yes, the Model 500XL3 may be installed in any position - horizontal, vertical, or at any angle as needed for your application.

Q: When are multiple valves in series required?

A: Multiple installations in series are required when the desired pressure reduction is more than 3 to 1 ratio (for example, reducing 150 PSI inlet to 50 PSI outlet).

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