FIRE DAMPERS
358
359
Design changes reserved
425
270
∅
n
-2
∅
n
+100
40
425
270
∅
n
-2
∅
n
+85
40
120
250
FDC25-M cylindrical fire damper with electric actuator
•
Thermoelectric activation (72°C) with electric actuator and return spring
•
Integrated end switches
•
Fully automatic operation
•
Networking capability (MP-BUS, LonWorks, AS-i BUS)
fire damper housing
1
damper blade
2
electric actuator: Belimo BLF
3
thermo-electric tripping device (72°C)
4
intumescent strip
5
Options:
M230 – electric actuator AC 230V
M24 – electric actuator AC/DC 24V
FDC25-R cylindrical fire damper with manual mechanism
• automactic closure when the temperature in the duct exceed 72°C
• manual rearmation with handle
• manual unlocking possible for periodical test of fire damper
DAMPER MODELS
fire damper housing
1
damper blade
2
manual mechanism
3
fusible link (72°C)
4
smoke seal
5
intumescent strip
6
limit switch
7
1
2
3
4
5
1
2
3
4
5
7
