
KTB-O BUTTERFLY TYPE FIRE DAMPERS
The shut-off (butterfly) fire dampers are manufactured in the following nominal sizes: DN100, DN125, DN160, DN200, DN250. The fire dampers are equipped with a thermal fuse mechanism ensuring the damper switch to the safe position in case of reaching an ambient temperature equal to or higher than 72°C.
EI 120 (ve i↔o) S
EN 15650, EN 13501-3, -EN 1366-2