pneumatic control valve is divided into pneumatic diaphragm regulating valves and pneumatic piston valve, with compressed air as power source, diaphragm or piston cylinder as actuator, by means of electric Industrial Valves positioner, converters, solenoid valve, such as position keep valve drive valve, switch or proportional control. Receives the industrial automation control system of the control signal, regulating the flow of pipeline medium, pressure, temperature and other process parameters. Pneumatic control valve control with simple, fast response, the characteristics of intrinsically safe, without additional explosion-proof measures. Cost is lower than the electric control valve of pneumatic control valve. In chemical, petrochemical and other fields, pneumatic control Industrial Valves has the incomparable advantage compared with electric control valve.

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