A typical rugged units with heavy gauge sheets and bracing with mild steel structure provide strength and rigidity for long service life. Ready access to the motor and sturdy motor base provides for quick and accurate belt adjustment and ease of maintenance.

Properly sized shaft and bearings of heavy duty, self-aligning type. The fan shafts are properly sized and are made of carbon steel 1040. Close tolerances are maintained where the shaft make contact with bearings and fan wheel hub. Bearings are either ball or roller type dependent upon the size and bearings to suite non-standard operation conditions involving temperature, extra heavy loading or other field conditions are available.

All housings are equipped with inlet cones designed for smooth air flow into accompanying intake rim of the fan impeller. The matching pair of intake cone and wheel rim operate as a unit for best air flow.