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Centrifugal roof fans to extract air or fumes directly or
from ducts.
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Medium - high flow rates with pressure to overcome pressure
losses due to duct resistance.
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Induction motor on ball bearings, IP 55 protection, class F
insulation and fitted with cooling impeller.
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Zinc-plated steel body and impeller, cover made in plastic
material.
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Impeller statically and dinamically balanced.
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Safety protection grille.
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In accordance with the essential requirements of 89/392/CE
directive concerning machines, and with European Standards EN
292 part I and II, UNI EN 294 and IEC 204-1 and 2.
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Some models can be regulated trough the controllers.
