| Cavitation Damage In Pump Repaired | | | Industry:Power (POWR) | | | Application:Centrifugal Pumps (CEP) | | | Customer Location:Power Plant / NE Oklahoma | | | Application Date:March 2007 | | | Application Situation:Suction bell of pump found to be cavitated during 1 week outage. | | | Problem:Severe cavitation erosion above and below wear ring. limited time to restore pump. | | | Products:Belzona® 1221 (Super E-Metal)
Belzona® 2141 (ACR Elastomer) | | | Substrate:Cast carbon steel (5% Nickel) | | | 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. | | | Photographs Description
- Extent of cavitation damage to suction bell, above and below wear ring
- Repairing damage back to original dimensions
- Repaired surface rebated, taped and half coated with Belzona® 2141
- Finished job ready for bushing installation then into service
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