Type                        Vertical, three-rank, three-stage, oil-free lubrication, water-cooling and piston
Exhaust capacity       550 m3/h (according to suction state)
Medium                                     Dry oxygen
Suction condition
Pressure                                    0.11MPa. （1.1Kgf/cm2)  
Temperature                              <30℃
Final pressure                             3.04Mpa（31Kgf/ cm2）
Piston travel                               180 mm
Revolution of crankshaft              485 r/min
Dia. of cylinder
 Stage 1   Ø320 mm
 Stage 2   Ø185 mm
 Stage 3   Ø115 mm
Shaft power                                 98 KW
Consumption of cooling water        10t/h
Direction of revolution                   Counterclockwise as viewed from the oil pump
Way of transmission                      Directly connection in the way of the stiff coupling against the electric motor
Motor
Model                                           Y355L1-12
Power                                           110 KW
Voltage                                         380 V     50Hz