User Manual 5.1-1 (2018-09) 21
Subject to change
Series FK92K
FK90K fire dampers
Installation in metal stud walls (2c)
Subsequent installation in metal stud walls
with W
≥
70 to
≤
115 mm wall
thickness. Butt joints s
≤
2 to 5 mm sealed with gypsum joint filler.
Connection profile
Stud profile
Ceiling
Drywall screw
alternative
Span
Bay rail
FK90K
corner bracket
Installation principle
without bay rails or reinforcements in
framework with installation openings
with a sufficient precision fit.
Installation without bay rails and
stiffening elements
Operation side
FK90K
corner bracket
FK90K casing
Butt joint
FK90K casing
Operation side
Butt joint
Operation side
corner
bracket
Operation side
FK90K casing
Filling F2
All dimensions in mm
Cross-sections A-A
Single or multi-layer
wall cladding
Butt joint
Operation side
FK90K casing
corner
bracket
Single or multi-layer
wall cladding
Butt joint
Operation side
FK90K casing
corner
bracket
Installation in corners and under ceilings
Installation and layout of bay rails
and stiffening elements for trimmers
in the framework.
Connections
at rigid walls and ceilings
•
Installation locations, shut-off damper blade axis
positions, actuator arrangements in walls (W
)
⇒
see page 5
•
Framework layouts and cross-sections A-A for
different wall types
⇒
also see pages 18 to 27
•
Filling F1
⇒
see page 16
•
Dimensions of installation openings
⇒
see page 17
Wall cladding
FK90K casing
Bevel
Gypsum joint filler
Filling butt joints
(examples)
FK90K corner bracket
alternative
Clear installation
opening
Clear installation
opening
Span
Drywall
screw
Drywall screws
Fill butt joints
with gypsum
joint filler
Installation with spacing
*
)
The distances between the fire
dampers must be a
≥
50 mm.
CW metal stud wall profiles of
≥
150 mm in length must be used
in this instance.
The claddings on both sides must
be fastened to these using two
drywall screws of the required
length.
