Rectangular fire damper with a 120 minutes fire resistance in concrete walls with air pressure up to 1500 Pascal.
Damper with a tunnel casing extension at one or both sides so that the damper blade does not exceed the tunnel. This version allows to connect a ...
ATEX certificate TÜV 14 ATEX 7540 X / Explosion protected fire damper for use in zone 1,2 (gas) and zone 21,22 (combustible dust).
CU2 damper with a tunnel casing extension at the wall side to facilitate the connection to the duct when the supporting construction is thicker than ...
Explosion protected fire damper for use in zone 1,2 (gas) and zone 21,22 (combustible dust) with a tunnel casing extension at one or both sides so ...