6
FIRE DAMPER - FD
PRODUCT OVERVIEW
DIMENSIONS
INSTALLATIONS
ACTUATORS
ACCESSORIES
REPLACEMENTS
MAINTENANCE AND OPERATION
FD25/FD40 - R
(manual mechanism)
• Automatic closure when the temperature
in the duct exceeds 72 °C
• Manual rearming with handle
• Manual unlocking possible for periodical test
of fire damper
• Optional with end position switches (-R-S)
• FD25 fire dampers are equipped with R25 manual
mechanism
• FD40 fire dampers are equipped with R40 manual
mechanism
Length of damper blade outside of casing:
X=(H/2)-175
[mm]
Product
A
[mm]
C
[mm]
D
[mm]
E
[mm]
FD 25 55 150 105 150
FD 40 55 200 105 200
FD40-R40FD25-R25
DIMENSIONS
C
A
350
x x
D
H
H+30
H+60
B + 60
B + 30
B
H+60
H
H+30
B + 60
B + 30
B
C
A
x x
D
350
A
C
E
A
C
E