BLADES

THe mirror face stainless steel blades , the whole machine goes through balance test. Blade diameter 1270mm/910mm (36″ ventilation fan). Blades are fromed by stamping while the angle is suitabl, 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 of the fan.

SHUTTER

Hot galvanized sheets. The thickness is 0.8mm and 1.5mm. It increases the intensity, life length and weight of whole machine. It imporves the stability of the fan.

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 superiour quality nylon and a little fiberglass, also it is used rivet, which is made of cuprum to avoid rusting. column-oriented is made of 304 stainless stell. It can ensure the shutter opens with the angle of 90 degrees when the machine runs on the rails.

MOTOR

Domestic motor, Siemen, we will supply according to the customer's choice and suiting for local voltage and frequency.

MOTOR HOLE

Installation hole of motor is six angles instead of the roundness that makes the motor more steady.