Quarter Turn Electric Actuator

Quarter Turn Electric Actuator

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quarter turn electric actuator Agency Profile

The basic actuator is used to drive the valve to the fully open or fully closed position. Actuators for control valves are capable of moving the valve to precisely any position. Although most actuators are used to open and close valves, today's actuators are designed to go far beyond simple opening and closing functions to include position sensing devices, torque sensing devices, electrode protection devices, logic control devices, digital communication modules and PID control modules, all housed in a compact enclosure.

Because more and more factories adopt automatic control, manual operation is replaced by mechanical or automated equipment, people require the actuator to play the role of interface between the control system and the mechanical movement of the valve, and moreover, the actuator is required to enhance the work safety performance and environmental protection performance. In some dangerous occasions, the automated actuator device can reduce the injury of personnel.

Some special valves require emergency opening or closing in special situations where the valve actuator can stop the further spread of danger while minimizing plant damage. For some high pressure and large bore valves, the required actuator output torque is very high, and the required actuator must be mechanically efficient and use a high output motor in order to operate the large bore valve smoothly. For some small torque valves, compact electric valves are also used, which have the advantages of light weight, compactness and full functionality compared to the normal type.