Hydropump type "AL-HPA-SE-25-VS-PM-03AL-MD-LV-VR" 14 cc/cycle double acting, pneumatically driven - Pressure ratio 1:35 - Max pressure 250 bar - Max air pressure 7 bar - Drain knob with check valve included - 3lt aluminium-plastic tank with oil level - Relief valve set to 100 bar (adjustable from 25 to 350 bar) - Hand pump GH-HPM20 external for emergency - Main knob - For SIMPLE EFFECT cylinders - Vertical or horizontal mounting