8
FIRE DAMPER - FD
PRODUCT OVERVIEW
DIMENSIONS
INSTALLATIONS
ACTUATORS
ACCESSORIES
REPLACEMENTS
MAINTENANCE AND OPERATION
FD25/FD40 - M
(electric actuator)
• Thermoelectric release device (72 °C) with
electric actuator and return spring
• Integrated end switches
• Fully automatic operation
• Optional 95 °C thermoelectric release device for
warm air installations
380
n
Y
A
C
D
n/2+12 n/2+22
E
C
A
B + 60
B + 30
B
E
H + 60
H + 30
H
Actuator A [mm] C [mm] D [mm] E [mm]
BFL (M) 25 200 90 120
BFN (M) 25 225 100 120
BF (M)* 50 250 100 120
380
n
Y
A
C
D
n/2+12 n/2+22
E
C
A
B + 60
B + 30
B
E
C A
H + 60
H + 30
H
XX
C
D
350
A
Length of damper blade outside of casing:
X=(H/2)-175 [mm]
DIMENSIONS