What is pneumatic actuator?

Hebei Yuanjd is professional pneumatic actuator manufacturer. Then what is pneumatic actuator?

The pneumatic actuator is the execution device that drives the opening or adjust the valve with gas pressure. It is also called a pneumatic execution mechanism or pneumatic device, but it is generally popular as the pneumatic head. The pneumatic actuator is sometimes equipped with certain auxiliary devices. Commonly used are valve positioners and handwheel mechanisms. The role of the valve positioner is to use the feedback principle to improve the performance of the operator, so that the actuator can achieve accurate positioning according to the controller's control signal. The role of the handwheel mechanism is when the control system can use it to directly manipulate the control valve when the control system does not output, or the controller has no output or the execution mechanism fails.

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