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Using Split Seals for Improved Turbine Shaft Sealing

By John Sousa

Split seals for hydropower turbines

Sealing devices for Kaplan and Francis hydropower turbines are critical components that assure reliable operation and environmental compliance. Those working with these turbines in the hydropower industry are discovering that using mechanical split seals for main shaft sealing can make significant advances in their operations. In today’s post, we interview John Sousa, a Chesterton expert […]

Filed Under: Mechanical Seals, Sealing Tagged With: francis turbines, Hydropower, Kaplan turbines, main shaft sealing, split seals

Combating Corrosion in Hydropower Facilities with Protective Coatings

By Steve Bowditch

Using Coatings to Extend the Life of Hydropower Turbines & Equipment

If you are operating a hydroelectric facility, you are most likely in an isolated region where the reliability of plant systems is paramount.  The  lack of easy access to spare parts, heavy equipment, and skilled maintenance staff requires careful planning and advanced preparation.  Since plant up-time is especially critical you need to be able to […]

Filed Under: Industrial Coatings, Sealing, Wear Protection Tagged With: cavitation, corrosion, epoxy-based coatings, Hydropower

Kaplan Turbine Sealing: Troubleshooting Leakage

By Istvan Hajzer

Reliable Sealing for Kaplan Turbines

About Kaplan Turbines The Kaplan turbine is one of the most commonly used turbines types in hydropower facilities around the globe. This “reaction type” propeller turbine is an evolution of the Francis turbine. It has adjustable blades and/or wicket gates (single- or double-regulation systems) to obtain optimal efficiency in different pressure/head conditions. It operates at efficiencies up to […]

Filed Under: Hydraulic-Pneumatic Seals, Sealing Tagged With: Hydropower, Kaplan turbines, Runner Blade Trunnion Seals

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