Hydropneumatic pump type "AL-HPA-SE-VS-25-ML-RL-S03AL-VR with 14 cc / cycle double acting, pneumatically operated - Pressure ratio of 1:35 - Max pressure 250 bar - Maximum pressure air 7 bar - 3 liter tank type MEDIUM aluminum-plastic with oil level. - Pressure relief valve set at 100 bar (adjustable from 25 to 350 bar) - Return spring close tap - Tap 0-1 unstable NC ( normally closed) lever to activate the pump - main tap - For cylinders simple effect - Vertical Mount "VR"