Air compressor classification: 1. Belt drive air compressor 2. Direct drive air compressor 3. Air compressor with air receiver 4. Vsd air compressor (variable speed drive air compressor) 5. Special air compressor 6. Air compressor system. Air compressor power: 4---500kw. Air compressor capacity: 0.25---100 m3/min. Air compressor pressure: 0.7---1.3 mpa. Air receiver capacity: 0.3---20 m3/min. Air receiver pressure: 0.7---2.0 mpa. Air dryer capacity: 0.8---200 m3/min. Air dryer pressure: 0.7---1.3 mpa. Pipeline air filter capacity: 1.8-90 m3/min. Pipeline air filter pressure: 0.7-1.3 mpa.