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The Wilkins 2-375XLB is a reduced pressure principle backflow preventer designed for commercial potable water systems, protecting against backsiphonage and backpressure in high hazard applications. This model come with black fusion epoxy coated ball valves & struts for theft protection.

Key Specifications:

• Size: 2 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 1/2 Inches version
• 1-375XLB: 1 Inch version
• 34-375XLB: 3/4 Inches version

Materials:

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

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:

• High Hazard Protection: Provides protection against both backsiphonage and backpressure of contaminated water into potable water supply where potential health hazards exist.
• Durable Construction: Black UV stabilized fusion epoxy coating on bronze surfaces helps deter theft while providing corrosion resistance and long-lasting performance.
• Lead-Free Compliance: Less than 0.25% weighted average lead content meets requirements for installation where lead-free valves are required.
• Full Port Ball Valves: Equipped with QT full port ball valves for easy testing and maintenance with minimal flow restriction.

FAQ

Q: What is the hydrostatic test pressure rating for the Zurn 2-375XLB?

A: The hydrostatic test pressure rating is 350 PSI, ensuring reliable performance under demanding conditions.

Q: Can this backflow preventer be installed outdoors?

A: Yes, the Zurn 2-375XLB can be installed both indoors and outdoors. For indoor installations, an air gap adapter is recommended.

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

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

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