BELZONA REPAIRS AND PROTECTS TURBINE ROTOR

KHIA ID: 5615
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Stainless steel
Customer Location: Hydroelectric Power Plant, Brazil
Application Date: September 2011
Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 2141 (ARC-Fluid Elastomer)

Belzona 2941 (Elastomer SP-Conditioner)


Problem: Wear caused by the effects of erosion and cavitation to the rotor with a waterfall height of 110 meters.
Photograph Descriptions
  1. Worn area of the rotor
  2. Defining the application area
  3. Application under progress
  4. Completed application
Application Situation
Turbine rotor.
Application Method
The application was carried out in accordance with Belzona Know-How System Leaflet CEP-1. The surface was prepared according to the standard NACE 2 (equivalent to SA 2 ½) with dry abrasive blast to near white metal. Belzona 1311 was applied to smooth the wear on the vanes (holes and loss of thickness) and then, Belzona 2141 was partially applied in certain areas of the rotor. Subsequently, Belzona 2141 was applied in 2 coats.
Belzona Facts
Belzona attended to the customer’s expectation, recovering and protecting the surface of the rotor with a long-lasting solution.