Axial flow turbine is applicable for low and middle head from 2 to 30meters.

Kaplan turbine (Axial flow/Propeller turbine) is applicable for low and middle head form 2-30meters.

the blades are fixed or adjustable.

The fixed blade propeller turbine is used for medium and small units with small variation of head and load, and the Kaplan turbine is used for medium and large units with large variation of head and load.