7. For a single-acting valve, if the solenoid valve loses power but air supply continues, will the solenoid valve return to its original position?
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7. For a single-acting valve, if the solenoid valve loses power but air supply continues, will the solenoid valve return to its original position?
Single-acting solenoid valves usually return to their original position automatically when the power is cut off. Their working principle is that when power is supplied, an electromagnetic force opens the valve; when the power is cut off, the valve closes automatically thanks to an internal return spring, thus achieving reset. But please note that this also depends on the design and manufacturing of the solenoid valve. In some special designs, it may be necessary to remain in its original state until a clear reset command is received. .