Fire closing device for doors has smoke alarm mounted externally of door closer and connected through supply line to one or more suction points on door closer

摘要

The closing device includes a door closer (2) and smoke alarm (3) which is mounted externally of the door closer and is connected through a supply line (13) to one or more suction points (10) provided on the door closer. The smoke alarm is mounted on the door frame (5) or building wall.