The Wilkins 1-NR3XLDU is a water pressure reducing valve with integral by-pass check valve and strainer designed for potable water systems.

Key Specifications:

• Size: 1 Inches
• Maximum Working Water Pressure: 400 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: Double Union FNPT

Other Related Variants:

• 1/2-NR3XLDU: 1/2 Inches size
• 3/4-NR3XLDU: 3/4 Inches size
• 1 1/4-NR3XLDU: 1 1/4 Inches size
• 1 1/2-NR3XLDU: 1 1/2 Inches size
• 2-NR3XLDU: 2 Inches size

Materials:

• Low Lead Cast Bronze ASTM B 584 main valve body
• UV resistant polymer composite bell housing
• 300 Series Stainless Steel internals
• Low Lead Brass stem
• EPDM elastomers (FDA approved)
• Buna nitrile elastomers (FDA approved)
• Delrin cartridge
• 302 Stainless Steel springs
• 300 Series Stainless Steel strainer screen

Typical Installation:

The Zurn 1-NR3XLDU 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.

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 and protection from inlet pressure changes.
• Integral Strainer: Suitable for residential and commercial water systems requiring frequent cleaning of sediment and debris.
• Corrosion Resistant: Sealed cage washer and stainless steel adjustment components suitable for all applications including below-ground pit installation.

FAQ

Q: Can the Zurn 1-NR3XLDU be installed in any position?

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 setting?

A: The valve comes factory preset at 50 psi and is adjustable within the range of 15 to 75 psi.

Q: Is maintenance possible without removing the valve from the line?

A: Yes, the assembly is accessible for maintenance without removing the device from the line.

"Hydrate Everyone, Everywhere!" BottleFillingStations.com | Contact us