For Non-Projecting Sliding Doors, Width up to 1100mm Under EN1154, the door closer when fitted to a fire door must be set to a minimum power size of EN3.
All closers have a maximum opening angle (controlled closing) of 180°, adjustable closing speed and latch action. Max. door weight 80kg. Adjustable power size EN2-4, EN1154:482-4113, Certifier approved CF111