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How many types of the valve actuator?

Nov 02, 2015

Actuator Type

Motion required

  • Rotary(quarter-turn, multi-turn)

  • Linear

Mode of operation

  • Double acting

  • Spring return: spring-to-closed, spring-to-open

Required valve operating thruster torque

Power supply(voltage or available air supply)

On/off, throttling, or proportional control

Corrosive resistance: materials, coating, tubing

Speed of operation

Frequency of operation

Special requirements, e.g., 

Accessories, e.g., limit switches, positioner, solenoid valve, transducers, manual override


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