Tube door closer ATS series

ATS Tube Door Closer for the Concealed Installation in the Door Leaf The ATS tube door closers are designed for the concealed installation in the door leaf of hinged lift doors. The main features that distinguish the various ATS tube door closers: Position of installation: in the top of the door leaf (fixed from behind) or any other position (ATS with front plate, fixed from the front) – see adjoining illustration. Type of the articulation depending on the type of hinges of the lift door: suitable for pivot hinges, construction hinges or concealed hinges. Diameter of the cylinder depending on the thickness of the door leaf. Closing force (length of the cylinder).