| 摘要 |
It comprises a free-articulation lever supported by a vertical support, the heel of which is actuated by a lever/rocker of reduced length, integral with the float, in the angular path which it covers through the effect of the thrust of the water level on the float. The free-articulation lever has, at the end opposite its heel, adjustment means for acting on the actuation rod of the feed device. The invention is for use in cisterns and tanks of small dimensions. <IMAGE>
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