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Which Air Valve Should I Use?
Air Valves are essential components complete pipeline design. The designed pipeline flow capacity will not be achieved without essential air valves because of air pocket buildups which can cause flow capacities to be reduced by 5% to 15% of designed flow.... unfortunately reduced capacities may go unnoticed because air is an invisible culprit in pipelines. Air pockets increase energy consumption because pumping operation will be at higher heads to overcome air constricted flow. Air valves are not expensive and more than pay their way by greatly improving pipeline efficiency. Air Valves represent low cost insurance to protect expensive Pipelines and Pump Stations. It is a well known fact, air pockets are a major cause of pressure surges and water hammer in pipelines.
Air Release Valves

200A Series

50 Series

55 Series

Air Release Valves function to release air pockets that collect at each high point of a full pressured pipeline. Air Release Valves can open against internal pressure, because the internal lever mechanism multiplies the float force to be greater than the internal pressure. This greater force opens the orifice whenever air pockets collect in the valve. Air Release Valves are essential for pipeline efficiency and water hammer protection.

Immediate availability.
Sizes 1/2" thru 3".       Sizes 4" thru 3".

Technical Drawings  
S -200A S -50
S -55  

 
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