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micro hydraulic power unit
Tongte Technology
The micro hydraulic power pack is very compact and can operate both single acting (HPU) and double acting (HPR) applications.
The HPR micro hydraulic power pack offers the flexibility to operate double acting hydraulic functions without the need for solenoid control valves. By simply reversing the motor the movement of a double acting hydraulic cylinder direction can be controlled and the built in dual Pilot Check Valves give leak free load holding. Dual pressure relief valves give separate control in each direction whilst dual pilot check valves prevent induced pressures and noise when excess full bore cylinder flow returns to the tank.
Later developments include circuits with manual overrides, motor spool control and low noise relief valves. “Thermal relief” valves are also possible, these protect from over-pressurizing in the output ports.
The micro hydraulic power pack is very compact and can operate both single acting (HPU) and double acting (HPR) applications.
The HPR micro hydraulic power pack offers the flexibility to operate double acting hydraulic functions without the need for solenoid control valves. By simply reversing the motor the movement of a double acting hydraulic cylinder direction can be controlled and the built in dual Pilot Check Valves give leak free load holding. Dual pressure relief valves give separate control in each direction whilst dual pilot check valves prevent induced pressures and noise when excess full bore cylinder flow returns to the tank.
Later developments include circuits with manual overrides, motor spool control and low noise relief valves. “Thermal relief” valves are also possible, these protect from over-pressurizing in the output ports.
