Pneumatic control valve is to use compressed gas as power source, cylinder as actuator, and with the help of valve positioner, converter, solenoid valve, position retention valve, gas storage tank, gas filter, etc.
Filter and other accessories to drive the valve, realize the switch value or proportional adjustment, and receive the control signal of the industrial automation control system to complete the adjustment of the pipeline medium: flow, pressure, temperature, liquid level and other process parameters.
Pneumatic control valve is characterized by simple control, fast response, and intrinsic safety, without the need for additional explosion-proof measures.