KHIA headerKnow-How in Action

VOL XXV, NO 74

Belzona® Restores Two Pump Impellers

 
 

Industry:

General Industry (GIND)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Oyster culture, The Netherlands

 
 

Application Date:

April 2007

 
 

Application Situation:

Pumps used in oyster cultivation

 
 

Problem:

The two impellers had severe damage because a large bolt was left in the inlet of the pump

 
 

Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Bronze

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets CEP-1 & 3. Steel plates were formed to recreate the lost vanes. Wire mesh was also incorporated into the Belzona rebuild as the original profile was restored. Repair was coated with Belzona® 1321 to give additional smoothness and erosion protection.

 
 

Belzona Facts:

Replacement impellers were not available in the time scale required to maintain the Oyster production.

 
 

Photographs Description

  1. Damaged impeller
  2. Stainless steel infill plates
  3. Belzona® 1111 used to bond plates and restore profiles
  4. One repaired alongside one still to be repaired
 
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