With the dimensions specified, Kaplan bulb turbines have the highest throughput and the smallest structural dimensions of all water turbines.
They do, however, need coaxial inflow and outflow channels.
Model A | Model B | Model R |
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| Three-, four- and five-bladed horizontal or inclined shaft position, impeller blades and guide vane apparatus adjustable (external regulation) - Impeller diameter from 0.63 to 2.4 m - Outputs from 50 to 1000 kW as a belt drive variant - Outputs up to 5000 kW as a geared version - Heads of 1 to 12 m - Flow rates of 1.5 to 50 m³/s | Three-, four- and five-bladed horizontal or inclined shaft position, impeller blades and guide vane apparatus adjustable (external regulation) - Impeller diameter from 1.41 to 2.4 m - Outputs from 200 to 5000 kW - Heads 2-12 m - Flow rates of 5 to 50 m³/s | Three-, four- and five-bladed horizontal or inclined shaft position, impeller blades and guide vane apparatus adjustable (external regulation) - Impeller diameter from 0.63 to 2.0 m - Outputs from 50 to 1000 kW as a belt drive variant - Heads of 3 to 12m - Flow rates from 1.5 to 30 m³/s |
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