The Wilkins 34-710 is a 3/4-inch pressure vacuum breaker assembly designed for irrigation systems to prevent backsiphonage in non-potable water applications.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Pressure: 150 PSI
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1020, UPC Listed
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 1-710: 1 Inch version

Materials:

• Cast Bronze ASTM B584 main valve body
• Stainless Steel 300 Series fasteners
• Silicone elastomers
• Buna Nitrile elastomers
• PPE (Noryl™) polymers
• POM Acetal (Delrin®) polymers
• Stainless Steel 300 Series springs

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) above the highest piping or outlet downstream of the device. Install with adequate drain and sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged. A pressure vacuum breaker cannot be installed where back-pressure could occur or where spillage of water from vent could cause damage.

Standards Compliance:

ASSE 1020 Listed; UPC Listed; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California

Features & Benefits:

• Backsiphonage Protection: Protects potable water supply from contaminated water in irrigation lines where potential health hazards exist.
• Durable Construction: Cast bronze body meeting ASTM B584 standards with stainless steel components ensures long-lasting performance in demanding applications.
• Easy Maintenance: Full port ball shut-off valves included allow in-line testing and maintenance without removing the Zurn 34-710 from the line.
• Versatile Installation: Suitable for indoor or outdoor installation with proper climate considerations and includes testcocks for field testing.

FAQ

Q: What is the minimum installation height required for the Zurn 34-710?

A: The Wilkins 34-710 must be installed at a minimum of 12 inches (305mm) above the highest piping or outlet downstream of the device to function properly.

Q: Can this pressure vacuum breaker be used where back-pressure exists?

A: No, the 34-710 cannot be installed where back-pressure could occur. It is designed specifically to protect against backsiphonage only.

Q: What accessories are available for the Wilkins 34-710?

A: Compatible accessories include complete repair kits, Model 1260XL water hammer arrester, and QT-SET quick test fitting sets for maintenance and testing.

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