Movable smoke curtains are installed in a situation where it is not possible to use permanent baffles of smoke. Due to its construction can be connected in modules which allows you to create security of unlimited dimensions. Extensive use of curtains allows for mounting them in public and commercial buildings.
Coat of the movable smoke curtain is wound on the shaft and due to a drive motor or the mechanical brake is hold in the open position. In the case of fire the coat curtain is released and close the fire zone.
For versions with mechanical drive in case power failure leads to drop curtain. In order to correct actuation of the curtain with drive motor all electric cables are protected against fire and mechanical damage.
Classification of smoke curtains EN 12101-1 due to work time and temperature:
TEMPERATURE < 600°C | 827°C < TEMPERATURE < 1100°C | |||
D30 | 30 minut | DH30 | 30 minut | |
D60 | 60 minut | DH60 | 60 minut | |
D90 | 90 minut | DH90 | 90 minut | |
D120 | 120 minut | DH120 | 120 minut | |
DA | >120 minut | DHA | >120 minut |