Valve device, electrically actuated handbrake and method for controlling same

The valve device (22) has valve housing, where a control piston is axially guided in the valve housing in a movable manner. Two working ports (20,24) are designed, where a control input (50) is ventilated at a primary state of the valve device. A valve seat is movable in the direction of movement of the control piston. Independent claims are also included for the following: (1) an electrically actuated parking brake system for a pneumatic braking system of a commercial vehicle; and (2) a method for transferring an electrically actuated parking brake system.