The purpose of Compressed Air Dryer is to overpower the dew point of the compressed air. It can be done after the removal of water. This is a piece of equipment made to separate moisture and water vapor in industrial process air. It is made to draw in humid air and then compresses it. Compressed Air Dryer Air is extremely essential for its effective use in the air compressors. It is needed to keep the compressors free from moisture. Its use can evade the corrosion of valves, machinery and pipes.