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Air Valves

The presence of trapped air in a pressurized pipeline can have serious effects on system operation and efficiency. As air pockets accumulates at high points, they reduce the effective cross-section of the pipeline in their location, decreasing the water flow, and increasing energy consumption required to pump the water through. Thus reducing the overall system efficiency. A pipeline with many air pockets may impose enough restriction to stop all flow (“airlocks”). The dislodge and movement of the air pockets may change suddenly the fluid velocity and cause pressure surges and pipeline ruptures. Trapped air pockets may also accelerate corrosion in the pipe material, damage water metering devices and cause erratic operation of control valves. On the other hand, when a system is being drained there is a necessity to admit atmospheric air into the pipeline in order to occupy the volume of drained water so to prevent dangerous sub-atmospheric pressure in the pipeline that may bring to complete collapse of pipe-sections.

 

Dorot Air Valves offers the most reliable solution to overcome all challenges that may occur on a pipeline for a long lasting operational system and most efficient water network. DAV Series are designed for efficient discharge and intake of air in water pipelines, filtering systems, containers, and other places where confined air could impair the system’s operation. 

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