The Wilkins 34-20XLC is a lead-free water pressure reducing valve with integral strainer designed for potable water service lines, reducing high inlet pressure to a lower outlet 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: Female copper sweat union

Other Related Variants:

• 1-20XLC: 1 Inch model size

Materials:

• Main Valve Body: Lead-Free Cast Bronze
• Bell Housing: UV-Resistant Polymer Composite
• Stem: Lead-Free Brass
• Cartridge: Acetal
• Spring: 300 Series Stainless Steel
• Strainer Screen: 300 Series Stainless Steel
• Elastomers: EPDM, Buna Nitrile

Typical Installation:

The Zurn 34-20XLC may be installed on potable water service lines in any position, horizontal or vertical. Local codes shall govern installation requirements. The assembly shall be mounted in accordance with the latest edition of the Uniform Plumbing Code 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).

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 sediment and debris, making the Wilkins 34-20XLC 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 system flow demand changes while providing protection from inlet pressure changes.
• Compact Design: Short lay length and flexible installation options (horizontal or vertical) make it ideal for tight spaces and accessible maintenance without line removal.

FAQ

Q: Can the Zurn 34-20XLC be installed in any orientation?

A: Yes, the Model 20XL may be installed in any position, horizontal or vertical, making it versatile for various installation configurations.

Q: What is the factory preset pressure for this valve?

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

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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