CPR Coating for Low Pressure Service Water Pump Impeller
CUSTOMER: A nuclear power plant in Ontario
APPLICATION DATE: 2002
PROBLEM: Extensive cavitation on LPSW pump impeller
APPLICATION METHOD: After surface preparation was applied to restore impeller vanes to original profile. Final topcoat consisted of two coats of CPR Material.
CPR FACTS: Customer chose to repair deepest areas of cavitation via welding. Note: CPR today offers a more highly cavitation resistant coating.
Overall view of impeller after surface preparation.
Close up of impeller vanes showing welding and remaining cavitation pits in blades.
CPR Material applied and smoothed over blades.
Completed application after two coats of CPR Material. Impeller was dynamically balanced prior to return to service.