Belzona repairs the suction part of a hydro turbine
KHIA ID: 7858Industry: Water / Wastewater (WATR)
Application: ENC-Engines and Casings (ENC)
Substrate: Carbon steelCustomer Location: France
Application Date: 2018Products:Belzona 1311 (Ceramic R-Metal)
Belzona 1331
Belzona SuperWrap II
Problem: The internal surface of this hydro turbine presented an important loss of metal which ultimately led to a hole.
Photograph Descriptions
1- Before application
2- After grit blasting
3- Application of Belzona 1311
4- After application
Application Situation
Suction part of a hydro turbine from a hydroelectric plantApplication Method
The application was carried out in accordance with Belzona Know How System Leaflet ENC-11 .After preparing the surface by grit blasting, the hydraulic profile of the equipment was rebuilt from the inside using Belzona 1311. Two coats of Belzona 1331 were then applied to provide a long-term protection against erosion and corrosion. On the outside of the equipment, patches of SuperWrap were used to recover the mechanical strength of the equipment.