The diagonal turbine, just like the Francis, covers the range of medium heads (from 25 to 100 meters).

With regards to efficiency, and thanks to their adjustable blades, Diagonal turbines are more tolerant than Francis turbines to discharge and head variations.

They comprise 8, 10 or 12 inclined and adjustable blades.

Mhylab has developed and successfully tested the 8- and 12- blades turbines, reaching an efficiency higher than 93%.

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