Hydro pneumatic pump - 12 cc/rev double acting, pneumatically driven - Pressure ratio 1:43 - Max pressure 300 bar - Max air pressure 7 bar - Double effect distributor 4/2" - 7 liter aluminum-polymer tank with oil level - Relief valve set to 100 bar (to be set from 25 to 350 bar) - External pump GH-HPM20 for manual operation - Unstable 0-1 knob normally closed with lever for activation of the pump - Special knob - For double effect cylinders - Vertical mounting