Analyze the advantages and disadvantages of pneumatic actuators and their choices

Advantages of pneumatic actuators
1, simple structure
2, the switch speed is fast
3, the gas source is easy to obtain
4, gas compression is large, flexible when closed
5, according to the switch speed needs can be adjusted with the governor

Disadvantages of pneumatic actuators
1, because the gas has compressibility, so the speed is not easy to even
2. Compared with the hydraulic device, the structure is large, and it is not suitable for valves with large diameter and high pressure.

Third, the basis of pneumatic actuator selection is:
1, the form of the valve 2, specifications and structure 3, the opening and closing torque of the valve
4, the ambient temperature range 5, the fluid direction 6, which media is applicable
7, connection method 8, use mode 9, special requirements
10, the number of uses 11, the number of uses 12, the direction of rotation 13, power source parameters
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