CAVITATION DAMAGED IMPELLER REPAIRED WITH BELZONA

KHIA ID: 1260
Industry: Water / Wastewater (WATR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Bronze
Customer Location: Water Treatment Plant, Virginia.
Application Date: April 2008
Products:

Belzona® 1221 (Super E Metal)

Belzona® 1341N (Supermetalglide).

Problem: Impeller was damaged by cavitation leading to vibration in the pump. NSF approved products required.
Photograph Descriptions
  1. Impeller showing Cavitation Damage
  2. Impeller repaired with Belzona® 1221
  3. Impeller coated with Belzona® 1341N
  4. Impeller installed into pump and ready for service
Application Situation
Vertical water distribution pump.
Application Method
Application was carried out in accordance with Belzona Know How System Leaflet CEP-3 & 5.
 
Belzona Facts
New impeller cost $12,000 - $14,000 with a 24 week lead time. Past experience proved brazing the bronze could lead to future metal failures. The Belzona repair is quick, low cost and effective solution. This application has been two years of service and is performing with out flaw.
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