the type of pneumatic actuator
1. Classification by type of exercise
Rotary type (such as angular travel actuator) :
Typical applications: ball valve, butterfly valve, plug valve.
Travel Angle: 90° (most common), 180° or custom.
Output torque: tens of Nm to tens of thousands of Nm (such as large industrial valves).
Linear (straight stroke actuator) :
Typical applications: gate valve, globe valve, regulating valve.
Stroke length: 25-300 mm (customized according to valve requirements).
Output thrust: hundreds to tens of thousands of Newtons (such as high-pressure conditions).
2. Categorize by mode of action
Single action (Spring Return) :
Advantages: automatic reset, high safety (such as emergency cut off valve).
Double Acting:
Advantages: bidirectional controllable, large output force, suitable for frequent action.
3. Special types
Explosion-proof type: In accordance with ATEX/IECEx standard, for flammable and explosive environment (such as petrochemical, coal mine).
High temperature resistant type: fluorine rubber seal, stainless steel material, suitable for high temperature above 150°C.
Compact: Lightweight design for space-constrained scenarios (such as food machinery).
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