A10VSO 45 DFR/31L-PKC62K68 280bar Rated High Pressure Variable Piston Pump for Hydraulic Power Unit & Construction Machinery Key Features 1. 45 cm³/rev displacement, high power density, compact cast iron housing 2. DFR pressure-flow compound control, stable output, fast response 3. Nominal pressure:280 bar; Peak pressure:350 bar 4. Low noise, excellent suction performance, long service life 5. 2 drain ports, through-drive design to mount additional pumps 6. Wide medium