Air Operated Hydraulic Pump The 'turbo ' air operated hydraulic pump utilises exhaust air to help power the pump, developing 700 bar hydraulic pressure with only 5.5 bar air supply. The air control and valve functions can be easily operated by foot or hand , via a treadle. Patented "Air saver " feature for lower air consumption and lower operating costsAir exhaust muffler for quieter operation and reduced operator fatigueReturn-to-tank port for use in remote valve applicationsAir and oil inlet filters for reduced risk of damage from contaminationExtensive use of engineered plastics for lightweight, corrosion resistance and durabilityInternal pressure relief valve for overload protectionValve function; Advance/ Hold / Retract1/4 NPT Air input swivel adaptorAir pressure range 2.7 to 10.3 bar