Counter-rotating fans: pressure, efficiency, and engineering advantage
You may not yet be familiar with counter-rotation as a separate technology in ventilation systems. But for us, it’s a well-established and proven direction. KVB-UBM is one of the few manufacturers that produce counter-rotating fans in series production.
In high-pressure ventilation systems — the kind our company specializes in — achieving sufficient air pressure with axial fans is a major challenge.
The counter-rotating design uses two impellers rotating in opposite directions. This configuration allows for much higher pressure than standard axial fan models and delivers up to +10% efficiency gain compared to single-impeller fans. It’s a truly energy-efficient solution for demanding operating conditions.
You can learn more about available models and technical details of counter-rotating fans in the category “Counter-rotating fans — local mine ventilation systems” .
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