Buried pneumatic hydraulic actuator
The function of the controller is to turn on the introduction process of power gas, switch the direction of valve opening and closing, and filter the power gas.
The function of the driver is to change the air pressure of the power gas into hydraulic pressure in the gas-liquid tank, and the hydraulic pressure is transmitted to the hydraulic cylinder to drive the impeller device to rotate and drive the valve data to rotate.
The function of the hydraulic manual system is to connect the manual pump to the driver process, and the oil pressure discharged by the manual pump acts directly on the driver impeller to drive the valve rod to rotate.
The electronic control unit detects the gas pressure in the pipeline through the pressure sensor.
The electronic control unit judges whether the detection pressure is normal through roclink.
The electronic control unit controls the on-off of the air circuit through the solenoid valve.
When the gas path pressure changes, the gas pressure in the hydraulic cylinder changes.
The differential pressure at both ends of the rotating blade increases to rotate the transmission shaft and drive the sliding door.
2. Control principle
Three types are:
Pneumatic hydraulic actuator for manual valve chamber
Pneumatic hydraulic actuator used for RTU valve chamber and station passing trunk line
Pneumatic hydraulic actuators (including ESD and non ESD pneumatic hydraulic valves) used in and out of the station
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Chengdu MKSVC Fluid Control Equipment Co., LTD
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