The 20 series axial variable displacement piston pump is well manufactured and easy to operate  & nbsp;   2、 The bearings of the main shaft are all tapered roller bearings, which can withstand large external axial forces  & nbsp;   3、 Additional pumps can be connected in series  & nbsp;   4、 Mechanical control and hydraulic servo displacement control can maintain the angle of the inclined plate and the corresponding displacement  & nbsp;   5、 Release the control handle, the inclined plate will automatically return to the center position, and the flow rate will become zero  & nbsp;   6、 Good spindle oil seal ensures no leakage even in low temperature environments with high housing pressure  & nbsp;   7、 Servo valves can be connected to function regulators and remote control systems  & nbsp;    8、 The plunger assembly is easy to maintain and can be disassembled using standard tools, so the parts and components are interconnected