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VOL XXIII, NO 124

Cavitation Damaged Impeller Repaired With Belzona

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Water Treatment Plant, Virginia.

 
 

Application Date:

April 2008

 
 

Application Situation:

Vertical water distribution pump.

 
 

Problem:

Impeller was damaged by cavitation leading to vibration in the pump. NSF approved products required.

 
 

Products:

Belzona® 1221 (Super E Metal)

Belzona® 1341N (Supermetalglide).

 

Substrate:

Bronze

 
 

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.

 
 

Photographs Description

  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
 
 
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For more information about Belzona visit: www.belzona.com