User Manual 5.1-1 (2018-09) 33
Subject to change
Series FK92K
FK90K fire dampers
Installation remote from (5b) rigid walls or metal stud walls under rigid ceilings
3
5
2
3
5
2
3
5
4
19
12
25
35
20
3
5
12
25
20
35
21 4
B
H
h
200
b
200
h x b
H x B
W
A
A
X
H x B
W
A
A
h x b
X
4
35
20
3
25
Connections underneath rigid ceilings
(floors)
and onto a rigid wall
Installation opening:
b x h
≈
(B + 145) x (H + 88)
View A-A
35
20
4
35
3
25
The metal stud walls must be fitted with cladding of at least 2 layers, with
12.5 mm DF gypsum boards according to EN 520. They can be filled with or
without mineral wool. The installation openings b x h feature circumferential
frames consisting of wall profiles, which should be connected to the wall
stud profiles (CW profiles).
⇒
See page 17 for details
Route ventilation duct with cladding through metal stud walls
Route ventilation duct with cladding through rigid walls
View A-A
Alternative ceiling fastening
Installation opening:
b x h
≈
(B + 108) x (H + 88)
Detail
X
From a width B of > 500 mm, sup-
ports must be installed in the venti-
lation duct according to DIN 4102-4.
(
*
)
(
*
)
The H-sides of the FK90K fire damper with
release mechanism are shown here.
5
21
45
35
20
3 4
5
19
3 4
45
35
20
(
*
)
B
H
200
200
b
h
Parts list
⇒
see page 29
