Coal Mining
In coal mining, air compressors have to function perfectly even in the most adverse conditions, producing, for example, respiratory air and control air. Compressed air is also used underground in signal transmission, for cleaning machines, for cooling and even in the production of nitrogen.
Potential Applications
Working Air
The cleanliness classes specified here are recommendations in accordance with VDMA 15390 or BOGE recommendations.
| Pneumatic Type | Particle | Water | Oil | Sterile |
| Process air | 7 | 4 | 4 | No |
Quality classes as per ISO 8573-1:2010
Breathable Air
The cleanliness classes specified here are recommendations in accordance with VDMA 15390 or BOGE recommendations.
| Pneumatic Type | Particle | Water | Oil | Sterile |
| Process air | 1 | 2 | 1 | Yes |
There are no provisions made for breathable air applications compatible with ISO 8573-1:2010.
