Compressed air is used for a variety of applications. The air quality varies with the application. Air quality entails dryness and the purity of compressed air. 

Dryness is related to moisture content in air .

Applications like painting , powder conveying , food cannot tolerate moisture. Hence , it is essential to eliminate moisture by use of appropriate driers . The degree of dryness or measure of dryness is indicated by dew point . Dew point is the key indicator but it’s not the only one that completes the specifications. 

In this episode I talk about the parameters for section of driers and the different types of dryers available.