The reversible impeller, designed for axial fans of the VO 06-300 series, is used in ventilation systems that require operation in both directions — for air supply and exhaust.
The impeller design includes 6 blades: 3 are curved in one direction, and the remaining 3 in the opposite direction. The blades are arranged alternately. When operating in one direction, only the 3 blades aligned with the airflow direction are active. The others do not resist airflow but gently guide it.
This model is an analogue of the following fans: VO 12-300, VO 13-300, VO 12-290, VO 12-330, VO 13-290, VO 14-300, VO 14-320, VO 13-320.