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FBC
FBC
SPECIFICATIon TExT
1 - 4 - 7
1 - 4 - 7
9.
SPECIFICATIon TExT
9.1.
Circular fire damper series FBC Butterfly
Description
• FBC1, FBC4, FBC7 circular fire damper tested for fire re-
sistance and smoke seal with 300 Pa depression as per
En 1366-2, classified according to En 13501-3 and CE
marked according to European Regulation UE 305/2011
and En 15650 standard.
• Allows maximum safety for fire protection inside build-
ings providing perfect heat insulation and smoke tight-
ness.
• Technical characteristics
• Available diameters from 100 to 200 mm
• Case made from galvanized sheet steel, with a total
length of 50 mm equipped with duct connection gas-
kets.
• Closing mechanism with thermal release and manual
reset
• Blade damper made from calcium silicate insulating ma-
terial, rotating on steel gudgeon pins, complete with
polyethylene gasket for the air seal of cold smoke, as per
En 1366-2
• Thermal, expanding graphite gasket
• Thermal fuse with melting point certified ISo 10294-4 at
70 °C
• Absence of thermal bridge between the faces of the in-
stallation wall
Installation
• Installation within vertical rigid walls made from aerat-
ed concrete blocks, standard concrete or masonry with
a minimum thickness of 100 mm and minimum density
of 500 kg/m³
• Installation within gypsum block walls (carreaux de pla-
tre) minimum thickness 100 mm
• Installation within light plasterboard walls with mini-
mum thickness of 100 mm
• Installation within lightweight security plasterboard
walls (firewalls, brandwande) with metal blade, minimum
thickness 100 mm
• Installation within concrete floors or aerated concrete
with minimum thickness 100 mm (FBC1, FBC4) or 150
mm (FBC7) and minimum density 550 kg/m³
• Installation with Fire Batt (weichschott) sealing within
vertical rigid walls made from aerated concrete blocks,
standard concrete or masonry with minimum thickness
100 mm and minimum density 550 kg/m³
• Installation with weichschott sealing within lightweight
plasterboard and security walls (firewalls, brandwande)
minimum thickness 100 mm
• Installation with Fire Batt (weichschott) sealing within
concrete floors or aerated concrete with minimum thick-
ness 100 mm (FBC1, FBC4,) o 150 mm (FBC7) and mini-
mum density 550 kg/m³
• Fire resistance characteristics independent from direc-
tion of the source of the fire according to En 1366-2 ar-
ticle 6.2
• The fire damper can be installed with the blade axis po-
sitioned vertically or horizontally or tilted at any angle.
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Accessories
• Microswitch with three no/nC position detecting con-
nectors for open and closed damper
• Polyethylene valve for installation with valve and transfer
We reserve the right to make changes without prior notice
rev 24-01
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