The invention relates to a rotating regulating device, especially for a valve comprising a pivotable or rotatable valve body. Said device comprises at least one actuating device for rotating a regulating element which can be connected to the valve body in a moveable manner. The aim of the invention is to improve one such rotating regulating device in such a way that in its precise and reproducible, and can be especially automatically actuated. In order to achieve this, the regulating element is a rotating collar which is rotationally positioned in relation to a bearing collar, and the actuating device comprises at least one mechanism which converts a linear movement into a rotational movement.