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WilkinsVerified

NR3XL

1/2 inch Pressure Reducing Valve, No Lead

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Product Overview

Ensure optimal potable water system performance with the Wilkins NR3XL Water Pressure Reducing Valve, featuring a durable low lead cast bronze (ASTM B 584) alloy body, integral strainer, and direct acting by-pass for thermal expansion protection. Its balanced piston design provides smooth response to flow changes and protects against inlet pressure fluctuations, with corrosion resistance enhanced by a sealed cage washer and stainless steel components suitable for below-ground installation. Access the comprehensive NR3XL spec sheet, shop drawings, and submittal information for a range of sizes from 1/2" to 2" with various connection types.

Key Features

  • Reduces high inlet pressure to a lower outlet pressure on potable water lines.
  • Equipped with an integral strainer for effective sediment and debris filtering.
  • Direct acting integral by-pass design prevents excessive system pressure buildup from thermal expansion.
  • Balance piston design ensures smooth, responsive pressure regulation and protection from inlet pressure changes.
  • Corrosion-resistant construction with sealed cage washer and stainless steel adjustment bolt/nut, ideal for all applications, including below-ground pit installation.

Technical Specs

ManufacturerWilkins (Zurn Industries, LLC)
Model NumberNR3XL
Bell MaterialComposite Plastic
Body MaterialLow Lead Cast Bronze (ASTM B 584) Alloy
CertificationsASSE® Listed 1003, IAPMO® Listed, CSA® Certified, NSF/ANSI 61 Compliant
Sizes Available1/2" (15mm) to 2" (50mm)
Connection TypesSingle Union, Rough In, Less Union, Double Union, Double Male Meter
Cartridge MaterialAcetal with Integral Seat
Seat Disc ElastomerEPDM
Weight (Approximate)1.5 lbs (0.7 kg) to 9.5 lbs (4.3 kg), varies by size and connection type
Installation PositionAny position
Dimensions (Approximate)Length: 3 1/2" to 7 3/8" (89mm to 187mm), Height: 6 1/4" to 8 1/2" (159mm to 216mm), Width: 2 1/2" to 3 3/4" (64mm to 95mm), varies by size and connection type

About This Spec

Last Verified

April 3, 2026

Status

Verified (2x confirmed)

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