Regulating valve assembly for airflow in fuel cell system

The invention relates to a regulating valve assembly for a gas flow in a fuel cell system, in particular in a vehicle, the invention relates to a control valve assembly comprising a control valve housing (14), which provides a gas flow channel (46), a control valve (16), which can be adjusted in the control valve housing (14) between a closed position, in which a gas flow through the gas flow channel (46) is substantially blocked, and at least one open position, in which the gas flow channel (46) is released for a flow therethrough, the invention relates to a regulating valve (16) having a disc-shaped regulating valve body (24), a regulating valve seat (26) being provided on the regulating valve housing (14) and a closing region (40) being provided on the regulating valve (16), said closing region resting against the regulating valve seat (26) in the closed position of the regulating valve (16), said closing region (40) comprising an elastic sealing material (54) on the outer peripheral region of the regulati