The compressors screw GA Premium provide up to 1822 m3/h for pressures from 3.5 to 14 bars for a record energy efficiency. The element of compression to lubricated screws is thought for the conditions more testing and the room temperatures until 55°C. Centered on the effectiveness of operation, the design has a length in advance on all the strategic points: cooling, separation air/oil, drive at variable speed, recovery of the calories, sound-proofing.