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CFDM

 

CFDM

The fire dampers CDFM are closures in ducts of HVAC equipment, which prevent the spread of fire and combustion products from one fire compartment to another by closing the air ducts in the places of installation according to ČSN 73 0872.

The damper blade automatically cuts off the air passage by means of a closing spring. The closing spring is activated by initializing the thermal fuse. The spring closes the damper blades.

After closing the blade, the damper is sealed against the passage of smoke by means of a foam seal. At the same time, the damper blade is embedded in a mass, which increases its volume due to the increasing temperature and closes the air duct airtight.

The fire damper can be equipped with a disc valve in both combinations - for outlet (TVOM) and for inlet (TVPM). The valve is fixed by springs in the damper body and can be easily disconnected from the damper. The valve can only be installed on a damper with an extended body (CFDM-V).

Characteristics of dampers:

- CE certification according to EN 15650
- tested according to EN 1366-2
- classified according to EN 13501-3+A1
- fire resistance EIS 120, EIS 90, EIS 60
- tightness according to EN 1751, class 2 through the damper blade, external tightness is equal to the duct system
- corrosion resistance according to EN 15650
- EC Certificate of Conformity No. 1391-CPR-2018/0129
- declaration of performance No. PM/CFDM/01/20/1, PM/CFDM-V/01/20/1
- hygienic assessment - Opinion No. 1.6/pos/19/19b

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