The electric actuator is a process control device that receives a command from the automation systems to operate shut-off or modulating valves, with high precision and safety.
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Electric actuators
Electric actuators incorporate a combination of electric motor and speed reductor gearbox, specially developed and designed for the automation of valves, which transmits the torque necessary to actuate the 1/4 turn, multiturn or linear valve. It has a handwheel, which is part of the standard equipment, allows the valve to be operated manually.
The actuator records the valve stroke and torque data. An internal control unit evaluates this data and takes care of connecting and disconnecting the actuator. This control is usually integrated into the actuator and incorporates, in addition to the electrical interface to the automation system, a local control unit.