Kaplan Turbines: Steps to Improve Blade Runner Trunnion Sealing for Increased Reliability



This white paper addresses issues with Kaplan turbine runner blade trunnion sealing and how to achieve improved reliability and environmental compliance. A survey among Kaplan owners found that failing or inefficient runner blade trunnion sealing accounted for 60% of turbine leakage. This paper includes a checklist for selecting the best seal.

You will learn:

  • How to address common blade runner trunnion sealing challenges.
  • The history behind Kaplan Turbines and how they work.
  • Turbine system arrangements and the use of oil.
  • Environmental concerns and trends.
  • Steps to achieving optimal runner blade trunnion sealing.

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