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The Wilkins 112-375XLB is a reduced pressure principle backflow preventer designed for potable water systems, protecting against backsiphonage and backpressure where health hazards exist. This model come with black fusion epoxy coated ball valves & struts for theft protection

Key Specifications:

• Size: 1/2 Inches
• Maximum Working Pressure: 175 PSI
• Maximum Working Temperature: 180°F
• Notable Certifications: ASSE 1013, AWWA C511, CSA B64.4
• End Connections: FNPT threaded

Other Related Variants:

• 1-375XLB: 1 Inch model size
• 2-375XLB: 2 Inch model size
• 34-375XLB: 3/4 Inch model 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 Fasteners
• 300 Series Stainless Steel Struts
• Fusion Epoxy 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, ideal for use where lead-free valves are required.
• Theft Deterrent Coating: Durable black UV stabilized fusion epoxy coating applied to exterior bronze surfaces helps deter theft.
• Health Hazard Protection: Provides protection against both backsiphonage and backpressure where potential health hazards exist.
• High Temperature Rating: Rated to 180°F maximum working water temperature for versatile applications.

FAQ

Q: What is the hydrostatic test pressure for the Zurn 112-375XLB?

A: The hydrostatic test pressure is 350 PSI, ensuring durability and reliability under high-pressure conditions.

Q: Can the Zurn 112-375XLB be installed outdoors?

A: Yes, the 112-375XLB can be installed both indoors and outdoors. If installed indoors, an air gap adapter should be supplied.

Q: What sizes are available in the 375XLB series?

A: The 375XLB series is available in sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2".

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