Rotary chimney cowl Centrowent is a device, which in a dynamic way, uses force of the wind to increase chimney draught. The turbine always rotates in the same direction no matter for the wind strength or its direction. It is to be mounted on gravitation based ventilation chimney duct endings.
- No corrosion – collar, rotor and flange made of not acid proof stainless steel
- Light weight
- Quiet operation – rotor bearings
- Easy cleaning – rotor fixed to axle with screw