mcr DOR - door-type smoke and intake damper

Fire resistance class: EI120AA

mcr DOR smoke 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,
inflow dampers, through which constant inflow of external air is supplied for desmoking.

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tel. 58 341 42 45
email: mercor@mercor.com.pl

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after operation, the damper barrier does not narrow the duct lumen
large active surface
damper response time below 2 s

Dimensions:

D1 variant - single-leaf damper; B x H dimensions from 200x300 mm to 750 x 1150 mm
D2 variant - double-leaf damper; dimensions B x H from 400x300 mm to 1150 x 1250 mm

Apart from standard dimensions, dampers can be customized to any size within the specified ranges.

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.