CPR Cavitation Resistant Coating Francis Runner
CUSTOMER: A hydroelectric generating station in Ontario
APPLICATION DATE: July 2001
PROBLEM: Cavitation on Francis runner
APPLICATION METHOD: After surface preparation CPR Material was applied as a single coat system over the blasted substrate previously conditioned with Material.
CPR FACTS: Runner was inspected in May 2004 after nearly 3 years in service. CPR Material was found to be in excellent condition. Station was built in 1945 and operates under 45″ of head.
Overhead view of runner casing that houses twin horizontal Francis runners.
Runner after blasting completed.
Completed application of one coat of CPR Material – July 2001.
Runner when inspected in May 2004 showing no signs of any degradation of CPR Material. Gloss still evident on CPR coating.