Our silobus compressors working at two different capacity for electric motors can also be coupled with diesel motors and continue to serve where power is limited or does not exist at all. General Unique Features > Simple and balanced constructions > Direct coupling system > Output pressure of 2,5 -3.5 bars > Safety valve > Aluminum piston > Air output pressure manometer > Oil level indicator > Protective sheath > Balanced and sanded crank > Suction valve system minimizing dead volume > Porcupine ball bearing system minimizing mechanic friction > Highly productive cooling fan > Domestic product, plenty of spare parts > Widespread technical service network > 2 year guarantee.