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The MOV valve interlock system must ensure that the valve can be locked in the fully open and / or fully closed position, interlock electrical, hydraulic or air pressure operation modes and manual control. The normal operation of interlocking program can be maintained even in case of power failure. Because these actuators produce large torque forces, combined interlocks are necessary.
Safety mechanical interlock combination device is used for MOV electrical valve. These MOV valves usually installed in blind emitter/receiver system, pigging station, etc. These electrical execute facility valve combined interlock program which is manual operation to open and close valve.
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