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Reinforced backdraft damper

DAOSL-B / DAOS-B
Photo of product DAOSL-B / DAOS-B


The DAOSL-B / DAOS-B ventilation dampers is a new version
of DAOS (L) backdraft dampers. In addition, it is reinforced
with a reinforcing rods, making it possible to manufacture
large diameters up to Ø630mm, while maintaining the
rigidity of the construction and correct operation of the
blades. The DAOSL-B damper with seals is used in installations
that meet airtightness class D according to DIN EN 12237.
The DAOS-B-FLS version with flanges is suitable for mounting
on axial fans.

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PROJEKTOWANIE
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Alnor Ventilation Systems
Krakowska 10 Avenue
05-552 Wola Mrokowska
Poland

tel. +48 22 737 40 00