A – Airfoil Centrifugal Fan

SWSI Flow:
1,600 – 380,000 CFM
DWDI Flow:
2,800 – 650,000 CFM

Pressure:
0 – 30 in. wg.

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Standard Design Features

With the highest efficiency of all centrifugal fans, the airfoil wheel moves the maximum amount of clean air with the minimum horsepower. It is aerodynamically designed for maximum efficiency with relatively low tip speed, quiet operation and non-overloading characteristics. An airfoil is used in general heating, ventilating and air conditioning systems. Large sizes are used for clean air industrial applications where power savings are significant.