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Moisture measurements for compressed air dryers

28 May 2019

Dew-point dependent switching (DDS) can save money and ensure the quality of compressed air supplies, explains Michell Instruments.

Compressed air supplies are a necessity for industrial applications around the globe. In Europe alone, it is estimated 10% of all industrial electricity consumed is used to produce compressed air. Compressed air can also be used as a safe alternative power source in hazardous locations where there is a risk of fire or explosion, such as mines and oil rigs.

When warm compressed air leaves the compressor, it contains a high level of water vapour, and drying is a necessary part of the process. Any water vapour in the system will condense on cold surfaces and create the risk of corrosion or blockages.

Drying is a crucial part of the compressed air system and there are three options to choose from:

  • After coolers (usually combined with another form of dryer)
  • Refrigerant dryers
  • Desiccant dryers

To read more on how dew-point measurements can increase the efficiency and economy of drying, go to: http://www.michell.com/downloads/whitepapers/Compressed-Air-White-Paper.pdf

 
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