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A coil of clear tubing, a plain metal bowl and an unlabeled regulator on a gray bench

Compressed Air Dryer Selection: Refrigerated vs. Desiccant and ISO 8573-1 Dew Point Classes

Compressed air dryer selection guide: ISO 8573-1:2010 water classes 1–6, refrigerated +3 °C vs. twin-tower desiccant -40 °C to -70 °C dryers, CAGI ADF 100 derating, and coalescing filtration.

Updated October 2026

Air preparation questions for a packaging line

How ISO 8573-1:2010 writes particle, water and oil classes, and why a sample after the hose can fail a class that passed at the filter.

Updated October 2026