Horizontal Francis turbine unit, with horizontal shaft, could be 2 or three supports. Which is normally one stair arrangement. Simple structure, easier operation and maintainence. Vertical Francis turbine unit, with vertical shaft, metal spiral case or concrete spiral case. With adjustable guide vane, and stay ring etc parts, are suit to runner diameter bigger than 1000mm. Our engineer will select the most suitable Francis turbine for your hydro power project.