These fans feature a two inch over-sized blade design, which means more CFM/Watt and a lower fan blade RPM for longer life.
A tubular bearing and motor supports are welded to the frame to provide a strong utilised construction.
This product is also very quiet and operates at a low RPM. It includes dust, dirt and moisture proof bearings and is highly efficient.
Its heavy duty, totally enclosed motors are very low on operating costs. They are also available in single phase or three phase options.
Additionally, it includes aluminium gravity, or motor operated dampers; permanently lubricated fan shalt ball bearings and an optional belt tightener, which eliminates belt tension problems. But this is not available on 1 1/2 and 2 HP fans.
The two speed motors on this fan are also optional and it comes completely assembled, ready for installation and wiring, as well as with aluminium guards.
The special additional features include:
- An angle flow shutter guard that is mounted to the shutter, which eliminates another maintenance procedure
- You can also choose a fan performance at 0.5 due to increased air flow efficiency
- It lowers heating costs with shutters on the inside of the fan (air entering and saves up to 4000 BTU per hour).