The Wilkins 114-NR3XLDULU is a lead-free water pressure reducing valve with integral by-pass check valve and strainer, designed for residential and commercial applications.

Key Specifications:

• Size: 1 1/4 Inches
• Maximum Working Pressure: 400 psi
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: 2 Integral FNPT (No Union)

Other Related Variants:

• 12-NR3XLDULU: 1/2 Inch version
• 34-NR3XLDULU: 3/4 Inch version
• 1-NR3XLDULU: 1 Inch version
• 112-NR3XLDULU: 1 1/2 Inches version
• 2-NR3XLDULU: 2 Inch 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 Zurn 114-NR3XLDULU 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 Weighted Average Lead Content)

Features & Benefits:

• Integral Strainer Design: Built-in strainer makes this device most suitable for residential and commercial water systems requiring frequent cleaning of sediment and debris.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balanced Piston Design: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.
• Enhanced Corrosion Resistance: Sealed cage washer and stainless steel adjustment bolt and nut improve corrosion resistance for all applications including below-ground pit installation.

FAQ

Q: What is the factory preset pressure for the Zurn 114-NR3XLDULU?

A: The valve comes factory preset at 50 psi, with an adjustable reduced pressure range of 15 to 75 psi.

Q: Can this valve be installed in any orientation?

A: Yes, the Wilkins 114-NR3XLDULU can be installed in any position, but sufficient side clearance must be provided for testing and maintenance.

Q: What is the maximum pressure reduction ratio recommended?

A: Pressure reductions should not exceed a 4:1 ratio. For greater reductions, multiple installations are recommended.

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