KHIA ID: 837
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Cast carbon steel (5% Nickel)
Customer Location: Power Plant / NE Oklahoma
Application Date: March 2007

Belzona® 1221 (Super E-Metal)

Belzona® 2141 (ACR Elastomer)

Problem: Severe cavitation erosion above and below wear ring. limited time to restore pump.
Photograph Descriptions
  1. Extent of cavitation damage to suction bell, above and below wear ring 
  2. Repairing damage back to original dimensions 
  3. Repaired surface rebated, taped and half coated with Belzona® 2141 
  4. Finished job ready for bushing installation then into service
Application Situation
Suction bell of pump found to be cavitated during 1 week outage.
Application Method
Application carried out in accordance with Belzona Know-How System Leaflets CEP-3 and CEP-5. Rebate grooves were cut to terminate coating.
Belzona Facts
Belzona repair and protective coating combined with 1-week turnaround saved approx. $15,000 versus purchase of new unit with much longer lead time. Improved resistance to cavitation anticipated.