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Fan double stage

Helicoidal fan

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Double stage / same rotation direction.

Joint of 2 fans with the same rotation direction, each fan giving a pressure, the addition of these pressures is around 1.5 times higher than of one fan alone.

Double stage / contra-rotation.

When the second impeller of a set of 2 fans has a reverse rotation direction than the first, the set is said to have contra-rotation and the total pressure given by the set is then around 2.3 times higher than of one fan alone.

OTHER PRODUCTS HELICOIDAL FAN FROM AIRAP

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See also

Fans, Ventilators Centrifugal fan

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