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| Round fire damper manual 02/2021
SOLID AIR ®
CLIMATE SOLUTIONS
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T +31 598 36 12 21
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625
625
> 440
625
625
> 440
Flexible wall installation (mineral wool sealing)
The wall is composed of 2 x 2 plasterboard boards,
12.5 mm thick, installed on a steel frame construc-
tion. The interior of the wall is filled with mineral
wool (≥ 100 kg/m³). Installation material is mineral
wool covered with GKF cover boards. The minimum
thickness of the wall is 100 mm.
Installations
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1
4
2
3
3
INSTALLATION
1. Create an opening in the wall (Ø d + 80 mm) x
(Ø d + 80 mm) and build the subframe according
to the drawing, see page 35. Bend the fixing
bracket
(1)
90°. Place the damper in the opening
up to the wall limit mark
(7)
on the damper.
Damper blade must be closed during the installation!
2. Fix the damper to the wall using screws (bracket
screw hole is 6 mm in diameter).
3. Fill the space between the damper and the wall
with mineral wool
(3)
(≥ 100 kg/m³). Cover the
mineral wool with GKF gypsum boards
(4)
(12.5 mm thick), and fix them with self-tapping
screws Ø 3,5 x 45 mm.
* Multiple fire dampers can be installed next to each
other or ceiling/wall with the minimal distance of
30 mm between them. See page 42.
Test the operation of the damper blade!
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