FIELD: valve production.
SUBSTANCE: invention relates to actuators of pipeline valves. Novelty of the invention is that the drive contains a lever mechanism in which the spindle is connected to the gate by several pairs of levers. In each pair, the arms are interconnected pivotally, with one of the levers in a pair pivotally connected to the spindle, and the other pivotally to the gate.
EFFECT: increased reliability of the drive mechanism of the locking control device.
1 cl, 1 dwg
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RU2313023C1 |
