Zurn Wilkins

Model 350ADA 4 in. Epoxy Coated Ductile Iron Grooved 175 psi Backflow Preventer

Part #W350ADALMNYCBG  |  Manufacturer Part #4-350ADALMNYCBG

Valve Size

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Product Details

  • With integral by-pass consisting of a water meter in series with a double check backflow preventer
  • Less meter
  • With grooved end butterfly valves with integral supervisory switches
  • Resilient wedge outside stem and yoke gate valves standard
  • Modular check design
  • Single access cover reduces maintenance down time
  • Zurn Wilkins® compound check provides low headloss
  • Lowest life cycle costs in the backflow industry
  • Approved in horizontal and vertical positions

Lead Law Compliant

Documents

Specifications

ANSI Specifications: ANSI 372, ANSI 61, ANSI B16.1

ASSE Standards: ASSE 1015, ASSE 1048

ASTM Specifications: ASTM A-276, ASTM A-536 Grade 4

AWWA Specifications: AWWA C-510, AWWA C-550, AWWA C-606

CSA Certified: CSA B64.5

Coating: Epoxy

Collection: Model 350ADA

End Connection 1: Grooved

End Connection 2: Grooved

End Connections: Grooved

Height: 32-1/2 in

Lead Law Compliant: Yes

Length: 41-3/10 in

Material: Ductile Iron

Maximum Pressure: 175 psi

Maximum Temperature: 140

NSF Certified: Yes

NSF Specifications: NSF 61 Annex G

Number of Handles: Two Handle

Recommended Valve Application: Water

UL Listed: Yes

Valve Operator: Wheel Handle

Valve Seat Material: EPDM

Valve Size: 4 in

Valve Type: Backflow Preventer

Weight: 145

Width: 21-1/2 in