entrance to the waiting booth. The steel profile system is suitable for flush-mounted single-leaf and double-leaf doors and windows as well as glazed fire and smoke protection enclosures, for which heat [...] entrance door is absolutely secure against vandals. In addition, with a leaf height of 2.60 metres, a door width of 1.10 metres and a door leaf weighing more than 100 kg, enormous forces are generated that can [...] , is used in Kapfenberg. If the door is opened by 5 degrees, a motor begins to push open the door leaf. A mechanical opening limiter ensures that the opening angle is no greater than 90 degrees when a