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350ADA Double Check Detector Backflow Preventer, 2-1/2" to 10", Lead-Free*

Unique ref.: zurn-350ada
Brand: Zurn Industries
Product family: Non-Return Valves for Liquid Services
Product group: Backflow Prevention Valves
Date of publishing: 2017-01-16
Edition number: 1
Type: Object (single object)
Download (21)
Designed for installation on potable water lines in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350ADA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use.

Meets the requirements of NSF/ANSI 61* *Product contains weighted average lead content less than 0.25% for wetted surfaces.

The Double Check Detector Backflow Prevention Assembly shall be certified to NSF/ANSI 61, ASSE® Listed 1048, 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™ (NSF Listed), the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The first and second check valves shall be accessible for maintenance without removing the device from the
line. The Double Check Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 350ADA.

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Designed in: United States
Manufactured in: United States

BIMobject Category: Plumbing - Valves

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Name Value

BIMobject SEEK Properties

Plumbing - Valves

Name Value
Connection Size 2.5 ; 3 ; 4 ; 6 ; 8 ; 10 in
Connection Type Grooved AWWA C606 ; Flanged ANSI B16.1 Class 125
Integral Finish FDA Approved Fusion Epoxy Finish
Working Pressure 175 psi