Wilkins 375L Series

The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for all applications. The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.

PRODUCT CODE:

375L XXX

SIZE RANGE:

65-250mm

FEATURES AND BENEFITS

Short lay-length for small space installation
NRS, OS&Y, or Butterfly shut-off valves available
Available in flanged, grooved, or grooved X flanged end connections for installation versatility
Ideal for any backflow replacement
Utilizes Zurn Wilkins low headloss Compound Check for reliable and superior performance
No threads or taps in body or cover, eliminating exposure to corrosion
Single access cover reduces down time
No threads or taps in body or cover, eliminating exposure to corrosion

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Application

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375 provides protection where a potential health hazard exists. Ideal for use where lead-free* valves are required.

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Standards Compliance

(Unless Otherwise Noted, Sizes 2 1/2" Thru 10")

• ASSE® Listed 1013

• IAPMO® Listed

• CSA® Certified B64.4 (2 1/2" thru 8")

• AWWA Compliant C511, and C550

• FM® Approved

• UL® Classified

• C-UL® Classified

• NYC MEA 49-01-M Vol 2

• Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California.

• Meets the requirements of NSF/ANSI 61*

*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

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Features

Sizes: 2 1/2", 3", 4", 6", 8", 10"

Maximum working water pressure 175 PSI

Maximum working water temperature 140°F

Hydrostatic test pressure 350 PSI

End connections (Grooved for steel pipe) AWWA C606

(Flanged) ANSI B16.1

Class 125

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Typical Installation

Local codes shall govern installation requirements. 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 learance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.

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