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Backdraft dampers are used in ventilation systems to allow airflow in one direction and prevent airflow in the opposite direction. A pressure relief damper is developed with an elevated and adjustable start-open pressure while providing the backdraft function.
We offer round backdraft dampers. These models can be mounted horizontally for vertical airflow down or up, or mounted vertically for horizontal airflow.
Buy Air Flow valve diam 12,5cm + Flexible Ducting aluminium diam. 12,5cm 3mt + Silenced Fan Blauberg BI-Turbo 12,5cm + cable - 220-280m3/h