KHIA headerKnow-How in Action

VOL XXI, NO 6

Belzona® Rebuilds Cavitated Vanes

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Power plant, Egypt

 
 

Application Date:

April 2004

 
 

Application Situation:

Five impellers of cooling pumps

 
 

Problem:

Severe cavitation caused holes, pittings and deformation in the profile of the vanes.

 
 

Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Cast iron

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets CEP-3 and CEP-5.

 
 

Belzona Facts:

Belzona rebuilt the cavitation and pitting damage in the vanes restoring the correct profile using a simple technique, saving replacement costs and also providing more resistance to future cavitation.

 
 

Photographs Description

  1. General view of the five impellers
  2. The cavitated vanes
  3. Rebuilding the vanes using Belzona® 1311
  4. Finished Impellers coated with Belzona® 1321
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

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