The Wilkins 112-NR3XLDU is a lead-free water pressure reducing valve with integral by-pass check valve and strainer, ideal for residential and commercial applications.

Key Specifications:

• Size: 1 1/2 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: Double Union FNPT

Other Related Variants:

• 12-NR3XLDU: 1/2 Inch size
• 34-NR3XLDU: 3/4 Inch size
• 1-NR3XLDU: 1 Inch size
• 114-NR3XLDU: 1 1/4 Inch size
• 2-NR3XLDU: 2 Inch size

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. Anytime a reducing valve is adjusted, a pressure gauge must be used downstream to verify correct pressure setting. Do not bottom adjustment bolt on bell housing.

Standards Compliance:

ASSE Listed 1003; IAPMO Listed; CSA Certified; NSF/ANSI/CAN 61 (0.25% Max Lead)

Features & Benefits:

• Integral Strainer Design: Built-in strainer for frequent cleaning of sediment and debris, ideal for residential and commercial water systems.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balanced Piston Technology: Provides smooth and responsive reaction to changes in system flow demand with 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 Wilkins 112-NR3XLDU be installed in any orientation?

A: Yes, the Model NR3XL may be installed in any position, providing flexibility for various installation requirements.

Q: What is the factory preset pressure for the Zurn 112-NR3XLDU?

A: The valve comes factory preset at 50 psi and is adjustable within the range of 25 to 75 psi.

Q: Does this valve require removal from the line for maintenance?

A: No, the assembly is accessible for maintenance without removing the device from the line, making service quick and convenient.

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