What is an electric actuator

What is an electric actuator

Electric actuators, like pneumatic actuators, are an important part of the control system. It receives the 4-20mA or 0-10mA DC current signal from the controller, and converts it into the corresponding angular displacement or linear displacement to operate the valve, baffle and other control mechanisms to achieve automatic control.

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Dongguan Tomuu Actuator Technology Co., Ltd. was established in 2015 and is located in Dongguan City, Guangdong Province. It is a national high-tech enterprise integrating design, research and development, manufacturing, sales and service. Tomuu specializes in the production of various linear electric actuators, and has more than 100 invention patents at home and abroad. The products are widely used in military, aerospace, medical, solar, household, industrial and other fields.
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Electric actuators are available in straight stroke, angular stroke and multi-turn types. The angular stroke electric actuator uses the motor as the power element to convert the input DC current signal into the corresponding angular displacement (0°-90°). This type of actuator is suitable for operating rotary control valves such as butterfly valves and baffles. After receiving the input DC current signal, the linear actuator rotates the motor, and then decelerates and converts it into a linear displacement output through the reducer to operate various control valves such as single-seat, double-seat, three-way and other linear control mechanisms. The multi-turn electric actuator is mainly used to open and close multi-turn valves such as gate valves and globe valves. Because of its relatively large motor power, the largest one is tens of kilowatts, and it is generally used for local control and remote control. These three types of actuators are all position servos powered by two-phase AC motors. The electrical principles of the three are exactly the same, but the reducers are different.

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Frequently Asked Question

Do you have any question?

Electric actuators, also known as electric actuators, are mainly used to control valves and dampers. According to the different objects to be controlled, it is divided into liquid control and gas control.

There are three major parts of the electric actuator, 1. Gearbox, including base, gear, handwheel, turbine worm, output shaft, coupling, etc. 2. Motors, DC motors, single-phase motors, three-phase motors, variable frequency motors, etc. 3. The control electrical warehouse, also known as the position transmitter, mainly receives 4-20 mA current to control the accurate operation of the motor, and simultaneously outputs a 4-20 mA position current signal.

Not a concept, electric valve refers to a valve with electric actuator, electric actuator is just an electric device that can be used on the valve, it includes motor, reduction mechanism, manual mechanism, control mechanism, etc.

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