Skip Navigation LinksHydroElectric

Thank you! Your submission has been received!

Oops! Something went wrong while submitting the form :(

 ‭(Hidden)‬ Content Editor


Hydropower Pump Sealing Expertise
Chesterton's innovative solutions for hydropower operations have been implemented around the world with documented success and recognition. Chesterton delivers increased equipment performance and reliability with a portfolio of products and services unparalleled in the industry.


Stop Turbine Teardowns & Greatly Reduce Leakage 

Chesterton's split seal technology for main turbine shafts removes the need to dismantle turbines and significantly reduces leakage.  Learn more.

Keep Oil in Kaplan Turbines & Seal Debris Out

Did you know that inefficient or failed trunnion seals cause the majority of Kaplan turbine failures? Discover how to select the best seal for reliability.  Learn more.​​

Protect Equipment from Erosion & Corrosion

Specific industrial coatings can be used to repair and prevent issues caused by corrosion and other forces to save significant downtime/costs. Learn more.​

Applications & Solutions

Main Shaft Turbine

Kaplan Turbines
Coatings: BX2, SD4i

Francis Turbines
Coatings: BX2​,  SD4i 

Wicket Gates
Seals: 22K, 22KE, 20K​, 27K, 16K​, 17K

Wicket Gates Servomotor
Seals: W21K​, R22K​, R11K, P22K, 20KD, 18K, 19K​, 16K, 17K

Radial/Trainter Gate
Coating: S1HB

Scroll Case
Coatings: BX2​/SDS4i​



Kaplan Turbines: Steps to Improve Blade Runner Trunnion Sealing​

A survey conducted among Kaplane turbine owners found that inefficient or failed blade trunnion seals cause more than 60% of Kaplan turbine leakage.  In this paper, we address best practices around selecting, installing, and supporting Kaplan runner blade trunnion seals to maximize your investments and efforts.

Download now. ​​​​​


Equipment Upgrades & Overhauls: Success Stories