Importance

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Abstract

A control valve for controlling a gas throughflow having an elongated housing which delimits a flow channel and which is divided into an inflow portion, a drive portion, and an outflow portion. A gear mechanism device has a drive shaft and a round slider element which is arranged in a displaceable manner along the longitudinal axis and which has an external valve seat face which closes an annular gap between itself and an internal face of the outflow portion, and a flow element that faces the inflow portion and has a spherical cap-like external face which directs the gas which comes from the inflow portion into an annular gap between the gear mechanism device and the internal face of the drive portion. A flotation installation having at least one such control valve and the use of such a control valve in a flotation installation are also disclosed.

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First Claim