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Some electric ball valves have a self reset function. Depending on different types of valves, they will automatically reset after a power failure. Valves without a self reset function will stop in their original position.
If there is a switch for the input power of the electric valve, the power will remain in the original position.
When the power supply is turned off, it must be in the appropriate position, and the original state is the state.
Generally, the single acting valve will automatically reset, and the double acting valve is the position at which the power is cut off.
