A10VSO 28 DFR1/31R-VPA12N00 280bar High Pressure Variable Piston Pump for Hydraulic Power Unit & Machine Tool Key Features 1. DFR1 pressure-flow control, energy saving & low heat generation 2. Low noise, stable running for 24h continuous industrial work 3. High power density, compact dimension 4. Good suction characteristic 5. ISO standard installation, easy replacement 6. Strict performance test before packing 7. Original / high quality replacement available 8. Built-in