A valve actuator is a device that automatically opens, closes, or regulates a valve based on a controlling signal. It serves as a key component in various systems where the flow of liquids, gases, or steam needs to be controlled. Actuators can be powered by various energy sources, including: 1. **Electric**: These actuators use electric motors to operate the valve. They are commonly used for applications that require precise control and can be integrated with automated control systems.
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