A valve (2) for controlling a fluid flow, in particular a gas flow, comprises a valve seat (3), a valve closing element (5) that can be actuated in the axial direction (21) between a closed position in which the same sealingly rests against the valve seat (3), and an open position in which the same is at a distance from the valve seat (3) and allows a fluid to flow through the valve (2), and a coil spring (12) that biases the valve closing element (5) into the closed position along the axial direction (21) and presses the same against an adjoining element (11) in the radial direction (37).