4 in. Combination Air Release Valve

Part #A149C1P  |  Item #1915680  |  Manufacturer Part #149C.1

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Valve Size:

4 in

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Product Details

  • These valves are also called double orifice air valves
  • These valves are installed on all high points of a system where it has been determined dual function Air/Vacuum and Air Release Valves are needed to release air and also protect a pipeline from vacuum
  • The Buna-N seat must be fastened to the valve cover without distortion for drop-tight shut-off
  • The floats shall be heavy stainless steel
  • The plug or float shall be center guided through hex bushings for positive shut-off


AWWA Specifications: AWWA C-512

End Connection 1: NPT

End Connection 2: NPT

End Connections: NPT

Fitting Size 1: 4 in

Fitting Size 2: 4 in

Fitting Sizes: 4 in

Height: 17-1/8 in

Length: 18 in

Material: Cast Iron, Ductile Iron

Maximum Pressure: 300 psi

Valve Size: 4 in

Width: 11 in