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avv

Air/Vacuum Valves (AVV) APCO

Description

Technical Information

Air/Vacuum Valves are float operated and have a large discharge orifice equal in size to the valve’s inlet.

 

Air/Vacuum valves allow large volumes of air to be exhausted from or admitted into a pipeline as it is being filled or drained.

 

As the pipeline fills, fluid enters the valve, raises the float and shuts-off.

 

When draining the pipeline, the float drops and allows air to enter, preventing a vacuum and possible pipeline collapse or damaging water column separation.

Size range:
1/2 - 24" ( 15-600mm)

 

Body styles:
Series 140, 140H and 150

 

Body material:
Ductile iron, cast iron, carbon steel, 316 stainless steel
Automatic Air Valves