Wind makes them rotate and create chimney draught in ventilation ducts.
Rotary chimney cowls are devices, which, in a dynamic way, use force of the wind to increase chimney draught. The turbine always rotates in the same direction no matter of the wind strength or its direction. They are to be mounted on gravitation based ventilation chimney duct endings.
Types of rotary chimney cowls
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Tulipan |
diameter 150 [mm] – designed to be mounted on ducts which are close to each other |
|
Turbowent |
diameters 150 – 300 [mm] - designed mainly to be mounted on individual housing as well as blockhouse's ventilation channels |
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Turbowent |
diameters 400 – 500 [mm] - designed for industrial ventilation and for multi storey buildings |
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