Model, DOR, smoke and intake dampers are used for installation in inflow or smoke ventilation installations. The smoke dampers do not have a thermal activator. They may be used as exhaust dampers, through which smoke and hot fire gases is removed and inflow dampers, through which constant inflow of external air is supplied for desmoking.
Features
- After operation, the damper barrier does not narrow the duct lumen
- Large active surface
- Damper response time below 2 s
DIMENSIONS
The DOR fire damper is available in two variants.
VARIANT D1 | SINGLE-LEAF DAMPER: Height: From 300 to 1150 mm Width: From 200 to 750 mm |
VARIANT D2 | DOUBLE-LEAF DAMPER: Height: From 300 to 1250 mm Width: From 400 to 1150 mm |
*Apart from standard dimensions, dampers can be costumized to any size within the specified ranged |
CONTROLS
CONTROL ACTIVATION | Type EM24D activating and control mechanism, equipped with a special lever and cam system 24 V DC electromagnetic activator (controlled with current impulse) and actuating springs positioned directly on the damper barrier hinges. |