Zurn Wilkins

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

Part #W475DALF  |  Manufacturer Part #4-475DA

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Product Details

  • 4" reduced pressure detector assembly - flanged end OS&Y gate valves (standard)
  • Small footprint for easy Fire Protection retrofits
  • For use in high health hazard applications
  • 475DA assembled in n-Pattern
  • Zurn Wilkins® compound check provides low headloss
  • Single access cover reduces maintenance down time
  • Allows for vertical up flow in a "Z" pattern

Lead Law Compliant

Documents

Specifications

ANSI Specifications: ANSI B16.1

ASSE Standards: ASSE 1047

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

AWWA Specifications: [AWWA C-550, AWWA C-606]

Coating: Epoxy

Collection: Model 475DA

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

Number of Handles: Two Handle

Recommended Valve Application: Water

Type: W475DALF

UL Listed: Yes

Valve Operator: Wheel Handle

Valve Seat Material: EPDM

Valve Size: 4 in

Valve Type: Backflow Preventer

Weight: 334.5

Weight Capacity: 30.5

Width: 30-1/2 in