Which term describes a type of valve that uses an electrical signal to control fluid flow?

The term that accurately describes a type of valve that utilizes an electrical signal to manage fluid flow is "electrical valve." This designation indicates that the valve's operation is dependent on an electrical input, which typically comes from a controller or a sensor. Electrical valves are often used in automated systems where precise control over fluid dynamics is needed, and they can respond quickly to changes in conditions based on real-time data.

In contrast, pneumatic valves rely on compressed air to operate, mechanical valves are operated through physical manipulation (such as hand levers or gears), and analog valves do not specifically denote electrical control but instead can refer to variable control through manual adjustments or continuous signals. These alternate valve types differ fundamentally in their mode of operation, specifically regarding how they manage fluid flow compared to electrical valves.