Commercial smoke extractor fan
ER
WOLF
Casing made of aluminium.
Base frame and mechanically stressed parts made of galvanized sheet steel.
Impeller made of steel, welded and coated.
Motor separated from air stream.
Casing side parts removable, centre parts to be swivelled (up to size 7190).
Ready for connection; free cable lead, protected by a steel tube.
Fixing bracket for isolator switch or connection box as a standard.
Isolator switch as an option (loose for fitting on site)
Smoke-extract roof fans of the lines RDM 56 and RDM 57 are provided for eliminating heat
and smoke in case of fire especially in the first phase with usually high smoke content.
They have to keep the escape ways smoke free, reduce damages, and ease fire fighting
actions.
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