Zurn Wilkins

375ADA 2-1/2 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer

Part #W375ADABGL  |  Manufacturer Part #212-375ADABG

Valve Size

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Product Details

  • Designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of contaminated water into the potable water supply
  • Provides protection where a potential health hazard exists
  • Incorporates metered by-pass to detect leaks and unauthorized water use
  • With grooved x grooved butterfly valves with integral supervisory switches
  • No threads or taps in body or cover, eliminating exposure to corrosion
  • Single access cover reduces maintenance down time
  • Meters unauthorized water use in fire lines
  • Grooved or flanged end connection options

Lead Law Compliant



ANSI Specifications: [ANSI 61 Annex G, ANSI B16.1 Class 125]

ASSE Standards: ASSE 1047

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

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

CSA Certified: CSA B64.4

Coating: Epoxy

Collection: 375ADA

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

Height: 26-1/2 in

Lead Law Compliant: Yes

Length: 37-1/2 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: 2-1/2 in

Valve Type: Backflow Preventer

Weight: 186.5

Width: 21-1/2 in