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Refrigerated Compressed Air Dryer
A refrigerated compressed air dryer is a device used to remove moisture from compressed air by lowering its temperature. It is a widely used type of air dryer in various industrial applications where the presence of moisture can lead to equipment damage, corrosion, and decreased efficiency.     
 
How does a refrigerated air dryer work?
Refrigerant dryers                are the most commonly used dryers in the industry and consist of an air-to-air heat exchanger and an air-to-refrigerant heat exchanger. The heat exchangers remove moisture from your compressed air by condensation of water within.This is essential to protect compressed air systems and every piece of equipment fed by compressed air from the harmful effects of moisture.     
 
The most important criterion is to keep the relative humidity of compressed air below 50%.
 
Both air-cooled and water-cooled refrigerant dryers are available. Basically, the dryers cool down the warm wet air coming from the compressor, When the temperature of compressed air reduces, moisture condenses and is drained from the compressed air with the help of a high-efficiency water separator.     
 
After that, compressed air is reheated to around room temperature so that condensation does not form on the outside of the pipe system. This heat exchange between ingoing and outgoing compressed air also reduces the temperature of the incoming compressed air, and as such reduces the required cooling capacity of the refrigerant circuit.     

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