This
hydraulic power unit is suitable to operate all clamping
cylinders in parallel. In clamping & declamping mode,
after reaching the set pressure, which is sensed by a pressure
switch, direction control valve shifts to the centre-position,
unloading pump delivery to the tank . In case of pressure
drop, the direction control valve operates to increase pressure,
to the set pressure.
The system includes all relevant electrical and mechanical
accessories. Pendent with clamp / unclamp push buttons is
provided along with the system.