The Wilkins 34-350FT is a Double Check Valve Assembly with integral male 45° flare SAE test fitting designed for installation on water lines to protect against backsiphonage and backpressure where a potential health hazard does not exist.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1015, cUPC, CSA B64.5
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 1-350FT: 1 Inch model size

Materials:

• Main valve body: Cast Bronze, ASTM B 584
• Housing: Reinforced Nylon
• Fasteners: Stainless Steel, 300 Series
• Elastomers: Silicone (FDA Approved)
• Elastomers: Buna Nitrile (FDA Approved)
• Internals: Delrin, NSF Listed
• Springs: Stainless Steel, 300 Series
• Ball Valves: Cast Bronze, ASTM B 584
• Struts: Stainless Steel, 300 Series
• Handles: Stainless Steel, 300 Series

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 inches and a maximum of 30 inches above adequate drains with sufficient side clearance for testing and maintenance. If installed below grade, be certain adequate drainage is provided to prevent the device from being submerged.

Standards Compliance:

ASSE Listed 1015; cUPC Listed; CSA Certified B64.5; AWWA Compliant C510; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; UL Classified (less shut-off valves only); C-UL Classified (less shut-off valves only)

Features & Benefits:

• Backflow Protection: Protects against both backsiphonage and backpressure of polluted water into the water supply.
• Durable Construction: Features cast bronze body with reinforced nylon housing and FDA approved silicone elastomers for long-lasting performance.
• Easy Maintenance: First and second checks are accessible for maintenance without removing the Zurn 34-350FT device from the line.
• Integral Test Fitting: Includes integral male 45° flare SAE test fitting for convenient field testing.

FAQ

Q: What is the maximum working pressure and temperature for the Wilkins 34-350FT?

A: The maximum working water pressure is 175 PSI and the maximum working water temperature is 180°F.

Q: At what height should this double check valve assembly be installed?

A: The assembly shall be mounted at a minimum of 12 inches and a maximum of 30 inches above adequate drains with sufficient side clearance for testing and maintenance.

Q: Is the Zurn 34-350FT suitable for applications with potential health hazards?

A: No, this assembly is designed to provide protection where a potential health hazard does not exist. For applications with potential health hazards, a reduced pressure zone assembly should be used instead.

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