46
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Smoke Control Damper
SDR
2
-M
Lindab reserves the right to make changes without prior notice
Last modified: 2021-10-26
Rev: 2021-03-26
Fig. 48
Examples of damper connection to the duct
Fig. 47
Examples of hinges fixing
5.2. Examples of fixing
Dampers can be suspended by using of threaded rods and fixing rails. Threaded rods has to be designed depend on damper
weight.
Damper suspension has to be solve separately. Back-to-back smoke exhaust duct has to be hung or supported so as all load
transfer from the back-to-back smoke exhaust duct to the damper is absolutely excluded. Exhaust duct suspension has to
be made according to recommendation of exhaust duct supplier.
Threaded rods longer than 1,5 m has to be protected by fire resistant insulation.
For fixing suspension system to solid ceiling has to be used only steel anchors with appropriate fire resistance or other
suitable system.
Position:
1. Threaded rod 6
2. Nut
3. C- washer
4. Fixing rail 41x41x2
5. Washer
6. Bolt
7. L-holder
8. Screw
9. Cantilever arm
10. Mounting angle