100kW Turgo Turbine Generator for Micro Hydro The Turgo unit sits between Pelton and Francis in application: it handles medium to high head with a larger flow than a Pelton of the same runner diameter, so it fits hill stream sites with a head of 30 to 300 m and a modest flow. The split bucket runner is less sensitive to silt than a Pelton wheel. Selling Points Split bucket runner. Turgo bucket profile passes silt laden water with less erosion than a Pelton wheel at the same