Cabin air pneumatic spring valve unit and electropneumatic compressed air system

The invention relates to a cabin air suspension valve unit (4). Whereas such cabin air suspension valve units according to the prior art have mechanical level control, the invention proposes that the cabin air suspension valve unit (4) has electrically controlled solenoid valves (17, 25a, 25b, 48) which are actuated by a control unit (5) and which perform the inflation and deflation of air suspension bellows (7, 9, 11, 12) on which a driver's cab is supported. Optionally, the inflation and deflation of an air suspension bellows (42) of a driver's seat (43) can be performed via the cabin air suspension valve unit (4) by means of a further solenoid valve (49). The invention is used for driver's cabs of commercial vehicles.