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Air/Vacuum Valve - 140


Float operated, having a large discharge orifice, equal in size to the valves inlet. Air and Vacuum valves allow large volumes of air to be exhausted from - or - admitted into a water pipeline as it is being filled or drained. As the pipeline fills, water enters the Air Valve, raises the float and shuts-off. When draining the pipeline, the float drops, allowing air to enter, preventing vacuum, possible pipeline collapse and damaging water column separation. Air & Vacuum Valves are an efficient means to fill and drain pipelines.

Sizes 1/2" - 3".

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140 Series




Technical Drawing