The Wilkins 2-NR3XLDUC is a lead-free water pressure reducing valve with an integral by-pass check valve and strainer, designed for residential and commercial potable water systems.

Key Specifications:

• Size: 2 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• End Connections: Double Union FC

Other Related Variants:

• 12-NR3XLDUC: 1/2 Inches version
• 34-NR3XLDUC: 3/4 Inches version
• 1-NR3XLDUC: 1 Inches version
• 114-NR3XLDUC: 1 1/4 Inches version
• 112-NR3XLDUC: 1 1/2 Inches version

Materials:

• Main valve body: Low Lead Cast Bronze ASTM B584
• Bell housing: UV-resistant polymer composite
• Internals: 300 Series Stainless Steel
• Stem: Low Lead Brass
• Elastomers: EPDM (FDA approved)
• Elastomers: Buna Nitrile (FDA approved)
• Cartridge: Delrin
• Springs: 302 Stainless Steel
• Strainer screen: 300 Series Stainless Steel

Typical Installation:

The Zurn 2-NR3XLDUC may be installed in any position. The assembly shall be installed with sufficient side clearance for testing and maintenance. Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 4 to 1 (ie: 200 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; IAPMO Listed; CSA Certified; NSF/ANSI/CAN 61 (0.25% Max Weighted Average Lead Content)

Features & Benefits:

• Integral By-Pass Check Valve: Prevents buildup of excessive system pressure caused by thermal expansion.
• Balance Piston Design: Provides smooth and responsive reaction to changes in system flow demand while protecting from inlet pressure changes.
• Integral Strainer: Ideal for residential and commercial water systems requiring frequent cleaning of sediment and debris.
• Flexible Installation: Can be installed in any position with sealed cage washer and stainless steel components for corrosion resistance including below-ground pit installation.

FAQ

Q: What pressure reduction ratio is recommended for the Wilkins 2-NR3XLDUC?

A: Pressure reductions not exceeding a 4 to 1 ratio are recommended (for example, 200 psi inlet reduced to 50 psi outlet). For greater reductions, multiple installations are recommended.

Q: Can the Zurn 2-NR3XLDUC be installed in any orientation?

A: Yes, this valve may be installed in any position. However, sufficient side clearance must be provided for testing and maintenance access.

Q: What is the pressure range for the 2" model?

A: The 2-NR3XLDUC has a reduced pressure range of 25 to 75 psi and comes factory preset at 50 psi. Always use a downstream pressure gauge when adjusting the valve.

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