1.Axial flow turbine runner: stainless steel 2.atmospheric corrosion resistance 3.anti-fatigue 4. ... set with capacity ranging from 1MW to 50 MW . The runner is good in casting, rough finishing machining, and numerical control ... for hydro-turbine units, including various types of Francis runner, Pelton runner, needle, nozzles, Kaplan runner blades, hubs, guide vanes, head covers, thrust collar.