The Wilkins 34-375XLB is a reduced pressure principle backflow preventer designed for potable water systems requiring protection against backsiphonage and backpressure contamination. This model come with black fusion epoxy coated ball valves & struts for theft protection

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1013, AWWA C511, CSA B64.4
• End Connections: FNPT ANSI B1.20.1

Other Related Variants:

• 112-375XLB: 1/2 Inches size
• 1-375XLB: 1 Inches size
• 2-375XLB: 2 Inches size

Materials:

• Reinforced Nylon Housing (FDA approved)
• Low Lead Cast Bronze Ball Valves ASTM B584
• Delrin Internals (NSF Listed)
• Nylon Internals
• Buna Nitrile Elastomers (FDA approved)
• Silicone Elastomers (FDA approved)
• 300 Series Stainless Steel Springs
• 300 Series Stainless Steel Struts
• 300 Series Stainless Steel Fasteners
• Fusion Epoxy Finish Coating (FDA approved)

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

Features & Benefits:

• Lead-Free Compliance: Less than 0.25% weighted average lead content meets NSF/ANSI 372 requirements for safe potable water applications.
• Theft Deterrent Design: Durable black UV stabilized fusion epoxy coating applied to exterior bronze surfaces helps deter theft.
• Dual Protection: Protects against both backsiphonage and backpressure of contaminated water where potential health hazards exist.
• High Temperature Rating: 180°F maximum working water temperature allows use in a wide range of applications.

FAQ

Q: What is the hydrostatic test pressure for the Zurn 34-375XLB?

A: The hydrostatic test pressure is 350 PSI.

Q: Can the Wilkins 34-375XLB be installed indoors?

A: Yes, if installed indoors, the installation shall be supplied with an air gap adapter to handle relief valve discharge.

Q: What type of ball valves are included with the Zurn 34-375XLB?

A: The assembly comes standard with full port QT ball valves constructed of low lead cast bronze.

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