
More references

Francis Turbine — HPP Vrutok
Major service intervention on the Vrutok HPP Francis units — shaft seal replacement, governor refurbishment, and vibration baseline measurement.
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Francis Turbine — PSP Lipno
Comprehensive modernization of the Lipno I pumped-storage plant — Francis runner replacement, generator rewind, and full control-system overhaul. 4.2% efficiency uplift.
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