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Building and Industry

Waterworks

Wilkins 350L Series

High performance, low headloss design, short lay length, lightweight ductile iron body with corrosion resistant low lead. All plastic and stainless steel internal components. 20 – 50mm BSPT threaded Male 65 – 250mm Flanged AS4087-2011 PN16

PRODUCT CODE:
350L XXX
SIZE RANGE:
65-250mm

FEATURES AND BENEFITS

  • Short lay-length for small space installation
  • Reliable performance and improved flow characteristics from patented Compound Check
  • Available in flanged, grooved, or grooved x flanged end connections for installation versatility
  • No threads or taps in body or cover, eliminating exposure to corrosion
  • Single access cover reduces maintenance down time

Application

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 350 shall provide protection where a potential health hazard does not exist. Ideal for use where lead-free* valves are required.

Standards Compliance :

(Sizes 2 1/2"-10" Horiz. & Vert.)

(Size 12" horizontal)

• ASSE® Listed 1015

• CSA® Certified B64.5

• IAPMO® Listed

• AWWA Compliant C510, and C550

• UL® Classified

• C-UL® Classified

• FM® Approved (2 1/2" - 10")

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

• NYC MEA 50-01-M (2 1/2" - 3")

• NYC MEA 297-98-M (4" - 6")

• NYC MEA 316-01-M (8" - 10")

• Meets the requirements of NSF/ANSI 61*

*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

Features

Sizes: 2 1/2", 3", 4", 6" , 8", 10" , 12"

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

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 clearance for testing and

maintenance. The installation shall be made so that no part of the unit can be submerged.

Installation

Specifications

The Double Check Backflow Prevention Assembly shall be certified to NSF/ANSI 61, ASSE® Listed 1015, and supplied with full port gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Backflow Prevention Assembly shall be a ZURN WILKINS Model 350.

WILKINS 350 ASTL SERIES

High performance, Low headloss design, short lay length, Corrosion Resistant

Lightweight Stainless Steel body

All Stainless Steel, Brass and Plastic components.

Watermark, UL, FM, USC, NSF Compliant

Wilkins 350 ASLT series
350 ASLT
Manual
Datasheet
Engineering Data*
* Note: For some products Manual or Engineering Data are available only upon request.

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Product code

Wilkins 350L Series

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