FLAP DEVICE

The invention relates to a flap device for controlling a gas flow through a pipe, in particular to an exhaust gas flap device for an exhaust train of a motor vehicle, comprising at least one flap which is arranged in a flap housing, in particular in a tubular flap housing, rotatable, in particular rotatable by a drive unit, about an axis of rotation of a flap shaft between an open position and a closed position, with a spring means being provided which, on a rotation of the flap from the open position into the closed position, tangentially and/or radially elastically loads the flap shaft at the latest in the closed position of the flap, and with at least one section of the spring means being directly or indirectly rotationally fixedly connected to the flap housing with respect to a rotation about the axis of rotation.