User Manual 5.1-1 (2018-09) 20
Subject to change
Series FK92K
FK90K fire dampers
Installation in metal stud walls (2b)
Drywall screws
Connection profile
Bay rail
Clear installation opening
Side profile (as required)
Bay rail
Stud profile
Drywall screw Ø 3.9
Filling F2
Connection profile
alternative
Span
FK90K
corner bracket
Connection profile
Stud profile
Stud profile
Bay rail
Wall / ceiling
Drywall screws
Drywall screws
Filling F2
Filling F2
FK90K corner bracket
Filling F1
(as required)
Connection profile
Side profile
Stud profile
Bay rail
Wall / ceiling
Drywall screws
Metal anchor M6
FK90K corner bracket
Hexagon screw M6
Filling F2
Filling F2
Hexagon screw
Metal anchor M6
Filling F1
Filling F1
FK90K corner bracket
(as required)
(as required)
•
Fixing to the wall to be protected
Connect ventilation ducts using flexible connectors.
⇒
see page 34
•
Fixing to adjacent rigid wall and ceiling
Ventilation ducts
must not
be connected using flexible connectors.
⇒
see page 34
FK90K fire dampers must whenever possible lie flush against
adjacent walls or ceilings; apply a levelling plaster coat before-
hand if necessary.
To fill the gap "s"
⇒
see pages 16 and 17
•
Filling F1
⇒
see page 16
•
Filling F2
⇒
see page 17
The installation details for the cross-sections A-A
vary, depending on the wall type and connection.
⇒
see pages 19 and 21
Detail X: When
securing using
2-way
crimping
,
the claddings must be also connected to the metal
studs via double-connected screw fastenings at the
intersections
.
⇒
see page 17
*
)
If reveals are present, their thicknesses must be added to the
dimension of the installation opening.
Connection to ceilings and corners of adjacent walls
and ceilings with solid construction
All dimensions in mm
Maximum
shortening
FK90K corner brackets
can be shortened on site
by max. 34 mm
*
)