VRAV fans feature a drum-type impeller of left or right rotation with specially shaped forward-curved blades.

Spiral casing - rotary.

The fans are equipped with standard 3-phase asynchronous singlespeed motors.

Design:

• general purpose industrial (N); 
• corrosion-resistant (CR1); 
• explosion-proof (V) - only made according to 1st design scheme; 
• corrosion-resistant, explosion-proof (VCR1) - only made according to 1st design scheme.