Fans VVT type are used in pneumatic conveying systems. The impeller of the fan is made of aluminum alloys.
Аdvantages
1. The impeller of the fan is made of aluminum alloys: when the aluminum blade hits the steel body, a spark does not appear;
2. The electric drive enters modes much faster at a lower current;
3. Precise balancing of the rotor;
4. Absence of increased vibration.