tower crane Hydraulic system

Rated pressure: 25-30Mpa
Power: 380v/50Hz
Weight: 45Kg
Tank Volume: 18L
Flow Rate: 4.5L

This tower crane hydraulic system should connect with the tower crane hydraulic jack, to jack up the tower crane, or dismantle tower crane. The tower crane hadraulic system have different pressure, which is related with the crane capacity while jack up the jib.