KHIA headerKnow-How in Action

VOL XVIII, NO 11

Belzona® Refurbishment Of Cooling Water Pump Diffuser

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Power station in Egypt

 
 

Application Date:

April 2002

 
 

Application Situation:

Diffuser and bell-mouth from main cooling water lift pump.

 
 

Problem:

Severe erosion-corrosion.

 
 

Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1341 (Supermetalglide)

 

Substrate:

Cast iron

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets CEP-1, CEP-3 and CEP-5.

 
 

Belzona Facts:

Importing of new diffuser and bell-mouth would take six months to deliver at cost of $100,000. Belzona application cost only $2,800 and the pump was ready to go back to service in 48 hours.

 
 

Photographs Description

  1. Severity of erosion clearly evident
  2. Surface preparation by grit blasting
  3. Erosion rebuilt using Belzona® 1311
  4. Coating with Belzona® 1341 underway
 
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