Electric valve
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Why must the limtock or rotock electric valve be in the stop state after operation?
It should be for safety reasons. Taking ROTORK as an example, there are two knobs on site, one for turning on and one for turning off ； The other ones are remote, stop, and local. Once the operation is complete, the knob is set to stop, and whether it is operated locally or remotely, it has no effect on the valve. Prevent accidental operations. Of course, there are also those located remotely for easy operation, and the DCS system keeps operation records.