3. Pay attention to marking
If the hand wheel of the valve electric actuator is used as a limit, it should be in the predetermined position. When overhauling, pay attention to remember the fully open and fully closed positions with the help of a ruler and a marker, so as to avoid the fully open position. Time to hit the dead spot. In addition, before operating the valve electric actuator manually, the operator should also take care to loosen the lock nut of the hand wheel first, and then perform the operation. After the operation is completed, the handle wheel must be opened and locked with the lock nut if there is no special instructions.
Although under normal circumstances, the valve electric actuator can be automatically operated, but there are exceptions for everything. If you have to operate manually due to some special factors during use, then everyone should pay attention to good quality and good reputation. The following items introduced by the manufacturer of the valve electric actuator, so as to avoid damage to the valve electric actuator and the valve.
