*Tube axial fans feature a continuously welded housing for an airtight seal. The propellers are non-sparking cast aluminum for consistent air velocity at higher static pressures. The universal motor plates will allow adjustable belt tensioning. The bearings are of premium air handling quality, self-aligning, and have an L10 life of 40,000 hours. The belt guard provides protection from the rotating pulley (OSHA Requirement). Fan has been designed per AMCA 210 Standards.
**Motors feature a heavy gauge steel frame, double sealed ball bearings that are mechanically locked on the shaft end, and bolt on motor base for easy removal. The service factors for the motor are 1.15 for 3-phase power and 1.0 on 1-phase power. UL recognized and CSA certified.