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FDS...EX
Legend
F9
Mineral wool segment (min. 66 kg/m3) - in a wall
F10
Layer of fire resistive coating (BSF/ISOVER) at least 2 mm thick for exposed surfaces
1
Fire damper (actuator side)
3
Concrete/masonry/brick/cellular concrete wall or ceiling
4
Flexible (plasterboard) wall
4a
2 layers of plasterboard fireproof plate type F, EN 520
4b
Vertical CW – profiles
4c
Horizontal CW – profiles
4d
Mineral wool; thickness/cubic density see picture.
20
Steel threaded rod M10
25
Aluminium tape around the front side and on places not covered with alufoil
27
Welding pin – length 80 mm - Top without welding pins, side 20 pins/m2, bottom 20 pins/m2; distance between pins
max. 250 mm, distance of the pin from the edge 80 mm
28
U-profile (MQ31/HILTI) - top and bottom
29
Mineral wool segment thickness 80 mm (min. 66 kg/m3; ISOVER Ultimate U-Protect Slab 4.0 Alu1)
30
Stiffening rods: horizontal for W > 600 mm; vertical for H > 400 mm
Notes
a)
- Flexible (plasterboard) wall
b)
- Concrete/masonry/cellular concrete (rigid) wall
v
e
- Vertical wall
(5
Rules for hanger placements and duct suspensions depend on the damper's distance from the supporting construction
LE
(6
Rules for hanger placements LP and duct suspensions LS depend on the damper’s distance from the supporting
construction LE
(7
The distance P is the distance from the blade axis to the damper flange. The distance depends on the type of damper
used.
**F2Plaster/mortar/concrete filling - can serve as replacement of filling F9. Using Plaster/mortar/concrete filling the
coating F10 is not needed.
Summary of Contents for FDS-3G EX Series
Page 1: ...FDS EX Atex Fire Damper ...
Page 8: ...8 70 FDS EX Product parts ...
Page 27: ...27 70 FDS EX ...
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Page 39: ...39 70 FDS EX ...
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Page 43: ...43 70 FDS EX 5 1 On Out FDS EI90S EX W 1600 H 1000 EI 90 ve i o S a b ...
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Page 57: ...57 70 FDS EX 5 4 On Out FDS 3G EX 100 100 1200 800 EI 60 ve i o S a b ...
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Page 63: ...63 70 FDS EX 7 Multi FDS EI90S EX W 1600 H 1000 EI 90 ve i o S b ...
Page 70: ...Systemair DESIGN 2021 04 27 Handbook_FDS_EX_en GB ...