Overview
The WK series of fire dampers allow the maximum safety against the
spread of fire inside buildings. In effect, they guarantee the perfect
isolation from heat and air tight seal to both hot and cold smoke, as
confirmed by the EN 1366-2 certification.
The WK
series fire dampers form an invisible barrier to the spread of fire, the
dispersion of heat, the spreading of smoke and that of harmful gasses.
By connecting the fire damper to the fire alarm system and the smoke
detection system it is possible to anticipate the closure of the blades
prior to the direct contact with the flame, this way preventing damages
caused by the diffusion of smoke and gasses generated from combustion.
Technical data
- EI-120-S certified according to EN 1366-2 European Normative
- Behaviour to fire:
- Automatic closure at less than 30 seconds from contact with
fire;
- Isolation from heat and flames for up to 120 minutes;
- Absence of heat exchange between the two sides of the
installation wall;
- Absence of heat exchange between the two sides of the blade.
- Behaviour with smoke:
- Function of smoke damper both in the presence of fire (cold
smoke) and during a fire (hot smoke).
- Certified for installation:
- Within brick walls at least 100mm thick;
- Within light structure walls (plasterboard) at least 125mm
thick;
- Within concrete ceilings at least 150mm thick.
- Controls: mechanical, magnetic or motorised.
- Safety block: guarantees the holding of the closure of the
damper even in if the fire were to completely destroy the closing
mechanism.
- Absence of a preferential direction of the airflow;
- Air speeds of up to 10m/s;
- Duct in galvanized carbon sheet steel;
- Mono-block blade in calcium silicate;
- Thermal gasket in mineral fibre;
- Silicone gasket for cold smoke;
- Thermal expanding gasket in graphite.
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