Mandik FDMQ, Технические характеристики

Страница: 76 / 87

76
M
in
.
3
0
m
m
Position:
1 Fire damper
2 Duct
3 Soft padding (stone wool + fire board)
4 Threaded rod
5 Mounting rail
6 Nut
7 Washer
8 Weld pin
9 Insulation
Fixing the insulation to duct acc. to fire insulation supplier′s instructions.
Fire dampers installed remote from the wall must be suspended.
The duct must be suspended on both sides of damper after national rules.
Duct between fire damper and fire separating construction must be suspended by using threaded
rods and mounting profiles, or another anchoring system according national standards. Load the
suspension system depend on weight of the fire damper and duct system.
Max. length between two suspension systems is 1500 mm.
Damper assembly procedures must be done so as all load transfer from the fire separating
constructions to the damper body is absolutely excluded. Back-to-back air-conditioning piping
must be hung or supported so as all load transfer from the back-to-back piping to the damper is
absolutely excluded.
Threaded rods longer than 1,5 m require fire-resistant insulation.
If the threaded rod is located inside the duct insulation, distance between threaded rod and duct
is max 30 mm. If the treaded rod is located outside the duct isolation, distance between threaded
rod and isolation is max. 40 mm. Thickness of the insulation under mounting profile must be min.
30 mm.
Threaded rod fixing to the ceiling construction - see fig. 81
The insulation boards are fastened to the duct.
For more information see documentation of insulation manufacturer.