F – Forward Curve Centrifugal Fan

SWSI Flow:
1,000 – 428,000 CFM
DWDI Flow:
1,200 – 700,000 CFM

Pressure:
0 – 18 in. wg.

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Standard Design Features

The forward curved wheel is used primarily in low pressure heating, ventilating and air-conditioning applications such as domestic furnaces, central station units and packaged air-conditioning units.

It has lower efficiency than airfoil and backwardly inclined wheels but with similar housing designs. For a given duty, the wheel is the smallest of all centrifugal fan types and operates at the lowest speed.