The Wilkins 112-NR3XLDUC is a water pressure reducing valve with integral by-pass check valve and strainer, designed for residential and commercial applications.

Key Specifications:

• Size: 1 1/2 Inches
• Maximum Working Pressure: 300 psi
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: 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
• 2-NR3XLDUC: 2 Inches version

Materials:

• Main Valve Body: Low Lead Cast Bronze ASTM B 584
• 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 Model NR3XL 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 Strainer Design: Built-in strainer makes the Zurn 112-NR3XLDUC ideal for frequent cleaning of sediment and debris in residential and commercial water systems.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balance Piston Technology: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.
• Corrosion Resistant Construction: Sealed cage washer and stainless steel adjustment components improve corrosion resistance for all applications including below-ground pit installation.

FAQ

Q: Can the Zurn 112-NR3XLDUC be installed in any orientation?

A: Yes, the Model NR3XL may be installed in any position. Ensure sufficient side clearance is provided for testing and maintenance.

Q: What is the factory preset pressure for this valve?

A: The valve comes factory preset at 50 psi and can be adjusted within the reduced pressure range of 25 to 75 psi.

Q: Is this valve suitable for below-ground installation?

A: Yes, the sealed cage washer and stainless steel adjustment components make it suitable for below-ground pit installation with improved corrosion resistance.

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