What characteristic defines a solenoid operated selector valve?

The characteristic that defines a solenoid operated selector valve is that it uses electricity to control fluid flow. This is integral to how solenoid valves function; they employ electromagnetic coils to open or close the valve, allowing or blocking the flow of fluid. When an electric current passes through the coil, a magnetic field is generated, which actuates the valve mechanism.

This electric control provides several advantages, such as remote operation and precise control over the fluid flow, making solenoid-operated valves particularly useful in applications where automation and responsiveness to electronic signals are essential. The incorporation of electrical control allows for enhanced functionality in hydraulic and pneumatic systems, which is a fundamental aspect of a solenoid operated selector valve.