Zurn Wilkins

Model 350ADA 3 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer

Part #W350ADALMNYCM  |  Manufacturer Part #3-350ADALMNYC

Valve Size:

3 in
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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 flanged end outside stem and yoke gate valves
  • 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


ANSI Specifications: ANSI B16.1

ASTM Specifications: ASTM A-276, ASTM B-536

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

CSA Certified: Yes

Coating: Epoxy

Collection: Model 350ADA

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

FM Approved: Yes

IAPMO Listed: Yes

Material: Ductile Iron

Maximum Pressure: 175 psi

Maximum Temperature: 140

NSF Certified: Yes

NSF Specifications: NSF 61 Annex G

UL Listed: Yes

Valve Size: 3 in

Valve Type: Backflow Preventer