Compare REFRIGERATED COMPRESSED AIR DRYERS. Refrigerated air dryer coils can operate continuously, thus, the refrigerated compressed air dryers do not need recycling. Sizing an air dryer, the climate where the compressor is located is important. Cool, dry northern regions of the country draw less moisture into the compressor than southern, more humid regions. Normaly the refrigerated compressed air dryers dry the air to a dew point in the 35 to 39 F range. The condensed moisture is expelled through a trap on a timer.

The cost of a refrigerated compressed air dryer is less than a desiccant dryer, but the operating cost is higher. The installation is simple, it requires only the air and drain hook ups plus the electric power connection.

Refrigerated compressed air dryers can operate at higher air inlet temperatures, higher pressures and higher oil content in the air than desiccant air dryers. For critical applications, refrigerated air dryers are used before a desiccant dryer. In this manner, the heat and moisture levels can be lowered to a point where the heatless desiccant dryers can lower the dew point of the compressed air down to minus 100 F degrees. Plastic molding of food or pharmaceutical containers would be a typical application for such a refrigerated compressed air dryer process.

Refrigerated air dryers are manufactured by the same companies that make desiccant air dryers. These companies can give the best advice on the type or combination of dryers will perform best for a specific application