The Wilkins 2-500XL3 is a 2 inch pressure reducing valve designed for commercial potable water systems, featuring balanced piston design and integral venturi for superior flow performance and consistent downstream pressure control.

Key Specifications:

• Size: 2 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 1/2 Inches version
• 114-500XL3: 1 1/4 Inches version
• 1-500XL3: 1 Inch version
• 212-500XL3: 2 1/2 Inches version
• 3-500XL3: 3 Inches version

Materials:

• Main valve body: Low lead cast bronze ASTM B806
• Bell housing: Low lead cast bronze ASTM B806
• Fasteners: Stainless steel, 300 series
• Stem: Stainless steel, 300 series
• Plunger: Stainless steel, 300 series
• Elastomers: Buna Nitrile (FDA approved)
• Elastomers: EPDM (FDA approved)
• Springs: Stainless steel, 300 series
• Cartridge: Noryl™

Typical Installation:

Commercial plumbing systems and industrial water distribution lines where high inlet pressure must be reduced to lower outlet pressure. The Zurn 2-500XL3 may be installed in any position. Multiple installations in series are required when the desired pressure reduction is more than 3 to 1. Suitable for outdoor and vertical installations with sufficient side clearance for testing and maintenance.

Standards Compliance:

ASSE Listed 1003; cUPC Listed; CSA Certified B356; NSF/ANSI/CAN 61; NSF/ANSI/CAN 372

Features & Benefits:

• Balanced Piston Design: Provides smooth, responsive performance to changes in system flow demand while protecting against inlet pressure fluctuations.
• Integral Venturi Technology: Patented design delivers best-in-class flow performance and minimizes pressure loss for efficient operation.
• Integral By-Pass Protection: Direct acting design prevents buildup of excessive system pressure caused by thermal expansion in 1" - 2" models.
• Removable Cartridge: Accessible maintenance design with corrosion resistant materials allows service without removing valve body from line.

FAQ

Q: What is the adjustable pressure range for the Wilkins 2-500XL3?

A: The Zurn 2-500XL3 features an adjustable reduced pressure range of 15 to 75 PSI, with a factory preset at 50 PSI. When adjusting, always use a downstream pressure gauge to verify the correct pressure setting.

Q: Can this valve be installed in any orientation?

A: Yes, the Model 500XL3 may be installed in any position including horizontal, vertical, or outdoor installations, provided there is sufficient side clearance for testing and maintenance.

Q: When is a multiple valve installation 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). For 2-1/2" to 4" valves at low flows with high pressure reduction ratios above 3 to 1, a low flow bypass may be needed to handle flows under 10 GPM.

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