Kaplan Micro Hydro Generator 500kW 250rpm Bulb Tubular Low Head Propeller Turbine A 500kW Kaplan micro hydro generator in bulb tubular configuration for low head sites from 3 m to 15 m. The straight-through water passage improves flow efficiency and reduces civil works. Key Features Bulb tubular straight flow passage Low head range 3-15 m 500kW output at 250rpm Stainless steel runner with adjustable blades Reduced excavation and civil cost Suitable for river and canal sites