The Wilkins 12-NR3XLC is a lead-free water pressure reducing valve with integral by-pass check valve and strainer, designed to reduce high inlet pressure on potable water lines.

Key Specifications:

• Size: 1/2 Inches
• Maximum Working Water Pressure: 400 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: Copper sweat union

Other Related Variants:

• 1-NR3XLC: 1 Inch size version
• 34-NR3XLC: 3/4 Inch size version

Materials:

• Main valve body: Low Lead Cast Bronze (ASTM B 584)
• Bell housing: UV resistant polymer composite
• Internals: Stainless steel, 300 Series
• Stem: Low Lead Brass
• Elastomers: EPDM (FDA approved) and Buna nitrile (FDA approved)
• Cartridge: Acetal (Delrin™)
• Springs: 302 Stainless Steel
• Strainer screen: 300 Series Stainless Steel

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted in accordance with the latest edition of the Uniform Plumbing Code. 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).

Standards Compliance:

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

Features & Benefits:

• Integral Strainer & By-Pass Check: Built-in strainer filters debris while integral by-pass prevents pressure buildup from thermal expansion.
• Lead-Free Construction: Meets NSF/ANSI/CAN 61 & 372 standards for safe potable water applications in residential and commercial systems.
• Copper Sweat Connection: The Zurn 12-NR3XLC features copper sweat union connection for simplified soldered installation and easy maintenance access.
• Balanced Piston Design: Provides smooth, responsive pressure regulation to flow demand changes while protecting against inlet pressure fluctuations.

FAQ

Q: Can the Wilkins 12-NR3XLC be installed in any orientation?

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

Q: What is the factory preset pressure for the Zurn 12-NR3XLC?

A: The valve comes factory preset at 50 psi and can be adjusted within a reduced pressure range of 15 to 75 psi.

Q: Is the valve serviceable without removing it from the line?

A: Yes, the assembly is accessible for maintenance without removing the device from the line, making servicing quick and convenient.

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