... 48m3/h,Max Power: 90kW,Max Pressure: 70MPa A. The characteristics of the high pressure pump 3D2A-S the structure of ... time operation. B. Applying fields: coal excavation with high pressure water jetting hydraulic liquid supply in the well, high ... , shipping rust elimination, basic engineering, liquid transportation, engineering and pressure test for various rubber hose, metal tube and oil well C ...