User Manual 5.1-1 (2018-09) 19
Subject to change
Series FK92K
All dimensions in
[mm]
Single or multi-layer
wall cladding
Reveal made of
wall-building
materials
corner
bracket
Operation side
FK90K casing
Filling F2
Ventilation duct,
extension, flexible
connector
FK90K fire dampers
Installation in metal stud walls (2a)
Operation side
FK90K casing
Filling F2
Ventilation duct,
extension, flexible
connector
Single or multi-layer
wall cladding
corner
bracket
Single or multi-layer
Filling F2
Operation side
corner
bracket
FK90K casing
wall cladding
Single or multi-layer
wall cladding
Operation side
FK90K casing
Filling F2
Ventilation duct,
extension, flexible
connector
corner
bracket
Drywall screws
“Thick walls”
“Double-stud walls”
Single or multi-layer
Reveal made of
wall-building materials
wall cladding
corner
bracket
Operation side
FK90K casing
Filling F2
FK90K casing
FK90K casing
Operation side
Operation side
Filling F2
corner
bracket
Operation side
FK90K casing
Filling F2
FK90K
corner bracket
Installation with short spacings
Minimum distance between bay rails or studs
Connections
to rigid walls, ceilings,
floors
Operation side
FK90K casing
Filling F2
Gap s ≤ 20 mm
must be
continuously sealed with
filling
s
F2
(mineral wool).
Cross-sections A - A
Wall thicknesses W
≤
115 mm
Wall thicknesses W
>
115 mm
Ideally to be constructed with reveal!
“Installation walls”
Installation principle
•
Installation locations, shut-off damper
blade axis positions, actuator arrange-
ments in walls (W)
⇒
see page 5
•
Framework - constructions and
cross-sections A-A for different wall
types
⇒
also see pages 20 to 21
•
Filling F1
⇒
see page 16
•
Filling F2
⇒
see page 17
•
Dimensions of installation openings
⇒
see page 17
Fill gap at rear between framework and ventilation duct (extension, flexible
connector) with mineral wool as required.
FK90K connector
for assembly
Filling F1
Create one unit by screwing two fire dampers together using 4 FK90K brackets or
FK90K connectors and install both together.
⇒
also see page
16
Double installation
side-by-side
Filling F1
FK90K bracket
for assembly
Installation with mineral wool
Types of metal stud walls with cladding on both sides
⇒
see pages 17 and 18
The
minimum
thicknesses W [mm]
shown opposite are
required for installing
the FK90K fire
dampers:
Fire resistance period in minutes
30
60
30
60
90
Metal stud walls with
cladding on both
sides
≥
1-layer cladding
70
-
≥
2-layer cladding
-
95
