Why do compressed air systems need dryers?

As compressed air cools, water vapour condenses into liquid moisture. This moisture can lead to corrosion, stuck valves, instrument issues, and unreliable operation. Dryers remove moisture to protect equipment and maintain system reliability.

What type of compressed air dryer should you use?

The right dryer depends on the application. Refrigerated dryers are commonly used for general industrial needs, desiccant dryers achieve very low dew points for critical applications, and membrane dryers are effective where power availability or space is limited.

What is pressure dew point in compressed air systems?

Pressure dew point refers to the temperature at which water vapour in compressed air will condense at operating pressure. Lower dew point requirements indicate a need for higher-performance drying equipment.

How do you choose the right dew point target?

Dew point targets should be based on what the compressed air contacts. Cold-weather operation, sensitive instrumentation, and critical processes often require lower dew points to prevent freezing, corrosion, or contamination.

Are air dryers important in hazardous or remote environments?

Yes, in hazardous or remote environments, dryer selection is especially important. Membrane or heatless desiccant dryers can be effective where power availability, footprint, or classification constraints must be considered.

Do I Need an Air Dryer for Compressed Air?

Q: Do I need an air dryer for compressed air?

Yes, in most compressed air systems an air dryer is necessary. Compressed air always contains water vapour, which condenses as the air cools. Without proper drying, moisture can cause corrosion, equipment damage, and process contamination.

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