Backward curved centrifugal fan
Févi international
OR ABRASIVE DUST
The shape of these blades is designed so as to minimise the risks of clogging. Through its curve to the front it prevents dust sticking onto the lower side of the blade.The blade tip is very turned up or even radial for the narrow families, which among other things gives it high manometric capacity.
This blade is particularly well suited to thick anti-corrosion-resistant coatings such as ebonite.
Another advantage of this blade is its good mechanical resistance which means
that it can be used at a high temperature.
The curved shape of the flare, the inlet disc and the blades provide a good flow
of the fluid in the impeller and means that efficiency and noise levels which are
significantly better than conventional radial blades can be obtained.
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