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Direct mounting on the ceiling, wall or floor
34 | EN
5 6 5
Mounting a T reducing branch piece
The T reducing branch piece can be used to create a right-angled branch
from the main duct with a narrower duct. The following reductions are
possible:
– 250 mm-wide duct routing (BSKM 1025) to a right-angled duct branch
section of width 110 mm (BSKM 0711)
– 250 mm-wide duct routing (BSKM 1025) to a right-angled duct branch
section of width 70 mm (BSKM 0407)
– 110 mm-wide duct routing (BSKM 0711) to a right-angled duct branch
section of width 70 mm (BSKM 0407)
Do not mount ducts at a 90° angle, as shown in Fig. 36 and Fig. 37, so
that they overlap. The overlapping of the T reducing branch piece (BSKM-
TR 1025, BSKM-TRK 1025 or BSKM-TR 0711) ensures the necessary
tightness.
•
Attach the T reducing branch piece and fix it, e.g. with four fire protec-
tion bolt ties (see "4.1 Fastening material" on page 17).
BSKM-TR 1025
BSKM-TRK 1025
BSKM-TR 0711
Fig 36: Mounting a T reducing branch piece
BSKM 1025
BSKM 0711
BSKM 1025
BSKM 0711
BSKM 0711
BSKM 0407
OBO Bettermann
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