BC Series Butterfly type cone fan 

Big belt pulley (centrifugal fan): it used by aluminum magnesium alloy, which is new aerial material, light and high-strength with beautiful shape.

Motor: motor be specially used for high-performance fan, with updated design for automatic regulating device, the belt doesn’t need manual adjustment. Chinese motor ,Siemens. We can support motor according to customer’s choice and using for local voltage and frequency.

Opening system : The special and advanced centrifugal system assures the opening angle of the shutter so that air flow can be kept on the smooth high level. It is made of superior quality nylon and a little fiberglass, also it is used rivet, which is made of cuprum so that they will not be antirust. It can ensure the shutter opens with the angle of 90 degree when the whole machine runs the rails.

V-belt : A -type belt, imported from Korea.

Blades : The mirror face stainless steel blades, the whole machine goes through balance test. Blades are formed by stamping while the angle is suitable, which can make the biggest airflow as well as the smallest noise and not out of shape nor rupture during long using term. Additionally, each set of blades must be tested by balance system before sold, which will make sure the stable and smooth work for the fan.