FIELD: machine building.
SUBSTANCE: claimed invention relates to cooling or heating system valve drive. Claimed valve drive comprises the motor and control means. Note here that said motor actuates the valve element drive. Said control means comprises the preliminary adjustment means for setting the limited valve element stroke. Note here that said control means comprises flushing means. Note also that said flushing means shuts off the preliminary adjustment function.
EFFECT: higher efficiency of valve flushing.
14 cl, 10 dwg
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