| 摘要 |
An apparatus for regulating or controlling the outflow from a rain tank, a rain overflow, etc. contains a slide which, by a drive mechanism, can close the outlet line from the tank. The position of the slide is controlled by a control mechanism. The control mechanism is operated by the hydraulic oil of a hydraulic circuit having a hydraulic pump. The latter is driven by a turbine wheel, which is housed in a turbulence restrictor located downstream of the slide and which is rotated by the flow of the outflowing water.
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