The Wilkins 34-20XL is a lead-free water pressure reducing valve with an integral strainer designed for potable water lines to reduce high inlet pressure while filtering debris and sediment.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Connection Type: Single Union FNPT

Other Related Variants:

• 1-20XL: 1 Inch model size

Materials:

• Main Valve Body: Lead-Free cast bronze
• Bell Housing: UV resistant polymer composite
• Stem: Lead-Free brass
• Elastomers: EPDM, Buna nitrile
• Cartridge: Acetal
• Spring: 300 series stainless steel
• Strainer Screen: 300 series stainless steel

Typical Installation:

The Zurn 34-20XL may be installed in any position on potable water service lines where pressure reduction is required. Local codes shall govern installation requirements and the assembly shall be mounted in accordance with the latest edition of the Uniform Plumbing Code. 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.

Standards Compliance:

ASSE Listed 1003; cUPC Listed; CSA Certified B356; NSF/ANSI/CAN 61; NSF/ANSI/CAN 372 (Lead-Free)

Features & Benefits:

• Integral Strainer: Built-in strainer filters out sediment and debris, making it ideal for residential and water systems requiring frequent cleaning.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balanced Stem Design: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.
• Flexible Installation: Compact design with short lay length can be installed in any orientation, ideal for tight spaces with minimal clearance requirements.

FAQ

Q: Can the Zurn 34-20XL be installed in any position?

A: Yes, the Model 20XL may be installed in any position, making it versatile for various installation scenarios and tight spaces.

Q: What is the factory preset outlet pressure for the Wilkins 34-20XL?

A: The valve is factory preset to 50 psi, with an adjustable reduced pressure range of 25 to 75 psi. Always use a pressure gauge downstream when adjusting.

Q: Is the valve accessible for maintenance?

A: Yes, the assembly is designed to be accessible for maintenance without removing the device from the line, minimizing downtime and installation disruption.

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