Wilkins 112-NR3XLDULU | 1 1/2" Water Pressure Reducing Valve with By-Pass Check
Wilkins 112-NR3XLDULU | 1 1/2" Water Pressure Reducing Valve with By-Pass Check is backordered and will ship as soon as it is back in stock.
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Wilkins 112-NR3XLDULU | 1 1/2" Water Pressure Reducing Valve w...
The Wilkins 112-NR3XLDULU is a lead-free water pressure reducing valve with integral by-pass check valve and strainer, designed for residential and commercial potable water applications requiring reliable pressure control.
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: 2 Integral FNPT
Other Related Variants:
- 12-NR3XLDULU: 1/2 Inch size version
- 34-NR3XLDULU: 3/4 Inch size version
- 1-NR3XLDULU: 1 Inch size version
- 114-NR3XLDULU: 1 1/4 Inch size version
- 2-NR3XLDULU: 2 Inch size version
Materials:
- Main valve body: Low Lead Cast Bronze ASTM B584
- 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:
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 Zurn 112-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 (i.e., 200 psi inlet reduced to 50 psi outlet). CAUTION: 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, providing comprehensive water system protection.
- Balance Piston Design: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure variations.
- Integral Strainer: Makes the Zurn 112-NR3XLDULU device most suitable for residential and commercial water systems requiring frequent cleaning of sediment and debris.
- Versatile Installation: Can be installed in any position with sealed cage washer and stainless steel adjustment components improving corrosion resistance for all applications including below-ground pit installation.
FAQ
Q: What is the factory preset pressure for the 112-NR3XLDULU?
A: The valve comes factory preset at 50 psi and has an adjustable reduced pressure range of 25 to 75 psi.
Q: Can this valve 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 maximum pressure reduction ratio recommended for this valve?
A: Multiple installations are recommended for pressure reductions exceeding 4:1 ratio (for example, reducing 200 psi inlet to 50 psi outlet).
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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Always consult with a licensed professional and check local codes before installation. For further details, check the Owners Manual.
Contact us at support@bottlefillingstations.com with any questions.
