RESTORATION OF BRONZE IMPELLER WITH BELZONA
Industry: Water / Wastewater (WATR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Bronze
Customer Location: AEP/PSO - Oolagah, OK
Application Date: June, 2005
Products:
Belzona® 1311 (Ceramic-R Metal)
Belzona® 1321 (Ceramic-S Metal)
Problem: This pump impeller, 1 of 4, normally running 24/7 had eroded to the point of replacement.
Photograph Descriptions
- First inspection showing extent of erosion damage
- Mesh in place and rebuild proceeding
- Grinding to contour
- Rebuilt and ready for service
Application Situation
Cooling water pump impeller.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet CEP-1, CEP-3 and CEP-5. Stainless Steel mesh used to reform vanes. After rebuilding, grinding to original profiles and coating, impeller was re-balanced.
Belzona Facts
Downtime was critical in this application and although replacement could be flown in within 6 days, further machining would be required. Belzona application was completed within 3 days.
