NOTICE: Product images may vary from the actual item due to differences in size or configuration options.

The Wilkins 34-950XL3 is a reduced pressure principle backflow prevention assembly designed for potable water protection against backsiphonage and backpressure contamination.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Pressure: 175 PSI
• Maximum Working Temperature: 180°F
• Notable Certifications: ASSE 1013, cUPC, CSA
• End Connections: Threaded FNPT

Other Related Variants:

• 112-950XL3: 1/2 Inch version
• 114-950XL3: 1 1/4 Inch version
• 1-950XL3: 1 Inch version
• 2-950XL3: 2 Inch version

Materials:

• Main valve body: Low Lead Cast Bronze ASTM B 584
• Access covers: Low Lead Cast Bronze ASTM B 584
• Fasteners: Stainless Steel, 300 Series
• Elastomers: Silicone (FDA Approved)
• Elastomers: Buna Nitrile (FDA Approved)
• Polymers: Noryl™
• Springs: Stainless Steel, 300 Series
• Ball valve handles: Stainless Steel

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.

Standards Compliance:

ASSE Listed 1013; cUPC Listed; CSA Certified B64.4; UL Classified; C-UL Classified; AWWA Compliant C511; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; Meets NSF/ANSI/CAN 61 & 372

Features & Benefits:

• Lead-Free Construction: Meets NSF/ANSI/CAN 372 with less than 0.25% weighted average lead content for safe potable water applications.
• Full Port Ball Valves: Standard full port QT ball valves with integral test fittings provide convenient testing and maintenance access.
• Dual Check Protection: First and second checks are accessible for maintenance without removing the relief valve or entire device from the line.
• High Temperature Rating: Rated to 180°F maximum working temperature for versatile installation applications.

FAQ

Q: What is the minimum working pressure required for the Zurn 34-950XL3?

A: The Zurn 34-950XL3 requires a minimum working water pressure of 25 PSI to operate properly.

Q: How should the Wilkins 34-950XL3 be installed?

A: The assembly must be mounted 12" to 30" above an adequate drain with sufficient side clearance for testing and maintenance. The unit must not be submerged.

Q: What type of thread connections does this backflow preventer have?

A: The device features threaded end connections (FNPT) conforming to ANSI B1.20.1 standards.

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