Fire-resistant damper model BKA-Ü
Technical documentation
Models and dimensions
Construction subject to change
No return possible
Version: 2021-07-01 | Page 5
Available sizes [mm]
Width (B)
Height (H)
200
200
225
225
250
250
275
275
300
300
325
325
350
350
375
375
400
400
450
450
500
500
550
550
600
600
650
650
700
700
750
750
800
800
900
1000
1100
1200
1300
1400
1500
Table 1: Available sizes
All heights and widths which can be combined are available!
Drive unit always on the H side of the fire-resistant damp-
ers.
Inspection openings always on the W side of the fire-re-
sistant dampers.
On request, the width and height dimensions are available
in steps of 10 mm.
For wall installation, the smoke detector (type RMSII-L)
must always be installed above (B side) in the assembly part
type EBT.
H
[mm]
L1
[mm]
L
[mm]
L2
[mm]
Total length
[mm]
200
180
500
-
680
225
250
275
300
325
350
375
400
180
860
450
500
550
600
650
700
750
800
210
210
920
Table 2: Length specifications
Available at an extra charge
Stainless steel model with material no. 1.4301
(V2A) or 1.4571 (V4A - All replaceable, non-
coated parts are made of stainless steel mate-
rial no. 1.4301 (V2A)).
Note: EBT painted in black matt on the inside,
ASG painted in black matt on operator side.
Model with DD coating (solvent-containing two-
component top coat based on polyurethane
varnish - RAL 7035 /light grey) inside and out-
side (replaceable, non-coated parts and the U-
profile of the damper blade are made of stain-
less steel material no. 1.4301).
Note: EBT painted in black matt on the inside,
ASG painted in black matt on operator side.
Table 3: Overview of housing designs
