Choosing the Right Dryer
The correct choice of dryer technology to match your needs is vital to ensure minimum cost, maximum performance compressed air generation.
How dry does your air need to be?
Pressure Dewpoint, °C |
Dryer Type |
Filtration |
Additional Cost |
+3 |
Refrigerant |
General Purpose |
3% |
-20 |
Waste Heat Regeneration |
None |
3% |
-40 |
Desiccant Air Regeneration |
Pre & after |
8-15% |
-40 |
Desiccant Heat regeneration |
Pre & after |
10-15% |
-70 |
Desiccant Air regeneration |
Pre & after |
15-21% |
| Refrigerant Dryers | |
 |
 |
Low energy and capital cost provide pressure dewpoints to +3oC |
|
| Waste Heat Regeneration | |
 |
|
Can be used on oil free compressors, low energy cost can produce dewpoints to -25oC
|
|
| Desiccant - Air/Heat Regenerated | |
 |
 |
Essential for lower dewpoints, expensive to operate. Look for alternative regeneration methods such as steam and external blowers.
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Registered Office: Air Technology Limited, 1, Oaks Industrial Estate, Festival Drive, Loughborough, Leicestershire, LE11 5XN t. +44 (0) 1509 264900 f. +44 (0) 1509 264800 