Valve device (10, 50, 100) comprising a first valve (14, 54, 110) and a second valve (15, 55, 111), each of the valves comprising a piston (18, 19, 112, 113), the piston (18, 112) of the first valve (14, 54, 110) having a first contact element (32, 130) and the piston (19, 113) of the second valve (15, 55, 111) having a second contact element (33, 131), the valve device (10, 50, 100) having a basic position, the valve device (10, 50, 100) having an electropneumatic control and a manual control for actuating the first valve (14, 54, 110) and the second valve (15, 55, 111), the manual control having a rotatable operating element (30, 140) and a cam element (34, 62, 144) which is coupled to the operating element (30, 140), the first valve (14, 54, 110) being actuated by the cam element (34, 62, 144) via the first contact element (32, 130) when the operating element (30, 140) is actuated in a first manner, in particular in a first direction of rotation, and the second valve (15, 55, 111) being actuated by the cam element (34, 62, 144) via the second contact element (33, 131) when the operating element (30, 140) is actuated in a second manner, in particular in a second direction of rotation opposite to the first direction of rotation, and the cam element having at least one latching point (38, 39, 148) in which one of the contact elements (32, 33, 130, 131) latches as a result of the operating element (30, 140) being actuated in the first manner or in the second manner, so that the valve device (10, 50, 100) assumes a latching position, and when the electropneumatic control is actuated, an overstroke takes place, by means of which the latching position is released and the valve device (10, 50, 100) returns to the basic position, a shaft (40, 142) being coupled to the operating element (30, 140) and the cam element (34, 62, 144), and the contact elements (32, 33, 130, 131) and the pistons (18, 19, 112, 113) being arranged so as to be displaceable parallel to an axis defined by the shaft (40, 142), characterized in that the cam element is arranged so as to be displaceable perpendicular to the axis. each of the valves comprising a piston (18, 19, 112, 113), the piston (18, 112) of the first valve (14, 54, 110) having a first contact element (32, 130) and the piston (19, 113) of the second valve (15, 55, 111) having a second contact element (33, 131), the valve device (10, 50, 100) having a basic position, the valve device (10, 50, 100) having an electropneumatic control and a manual control for actuating the first valve (14, 54, 110) and the second valve (15, 55, 111), the manual control having a rotatable operating element (30, 140) and a cam element (34, 62, 144) which is coupled to the operating element (30, 140), the first valve (14, 54, 110) being actuated by the cam element (34, 62, 144) via the first contact element (32, 130) when the operating element (30, 140) is actuated in a first manner, in particular in a first direction of rotation, and the second valve (15, 55, 111) being actuated by the cam element (34, 62, 144) via the second contact element (33, 131) when the operating element (30, 140) is actuated in a second manner, in particular in a second direction of rotation opposite to the first direction of rotation, and the cam element having at least one latching point (38, 39, 148) in which one of the contact elements (32, 33, 130, 131) latches as a result of the operating element (30, 140) being actuated in the first manner or in the second manner, so that the valve device (10, 50, 100) assumes a latching position, and when the electropneumatic control is actuated, an overstroke takes place, by means of which the latching position is released and the valve device (10, 50, 100) returns to the basic position, a shaft (40, 142) being coupled to the operating element (30, 140) and the cam element (34, 62, 144), and the contact elements (32, 33, 130, 131) and the pistons (18, 19, 112, 113) being arranged so as to be displaceable parallel to an axis defined by the shaft (40, 142), characterized in that the cam element is arranged so as to be displaceable perpendicular to the axis.