Zurn Wilkins

475 4 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer

Part #W475P  |  Manufacturer Part #4-475

Valve Size:

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Product Details

  • With NRS shut-off valves
  • Space saving "N" pattern design
  • Utilizes modular, center-stem guided, compound check
  • Single access cover reduces maintenance down time
  • Allows for RP protection in a vertical upward flow
  • Zurn Wilkins® compound check provides low headloss

Lead Law Compliant



ANSI Specifications: ANSI B16.1

ASSE Standards: ASSE 1013

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

AWWA Specifications: [AWWA C-511, AWWA C-606 1987]

CSA Certified: Yes

Coating: Epoxy

Collection: 475

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

Height: 38 in

Lead Law Compliant: Yes

Length: 35 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 Stem: Non-rising

Valve Type: Backflow Preventer

Weight: 289

Width: 30-1/2 in