www.etsnord.fi
24
RDT-07-0121
®
NORD
fire
|
FDMB
The gap 94 mm between dampers can be filled
by mineral stone wool min. density 140 kg/m³.
Wool is fixed to damper body by fire protection
mastic.
Fig. 33 Solid wall construction- battery- mortar or gypsum
Position:
1 Fire damper
2 Solid wall construction
3 Mortar or gypsum
Notice:
•
Installation opening for each damper has minimal dimensions
a x b = (A+100) x (2xB +100) mm or (2xA+100) x (B +100) mm
•
Gap between damper and construction is filled by mortar or gypsum
•
Distance between dampers 60 mm
•
Flange to flange connection - Up to 4 dampers can be installed
Shown schemes of incorporation and damper are illustrative only!
The gap 94 mm between dampers can be
filled by mineral stone wool min. density 140 kg/m³.
Wool is fixed to damper body by fire protection
mastic.
A-A