KHIA headerKnow-How in Action

VOL XXIV, NO 28

Belzona® Repairs Acw Pump

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Nuclear Power Station, UK

 
 

Application Date:

September 2007

 
 

Application Situation:

Auxiliary cooling water pump

 
 

Problem:

Severe abrasion damage to cutwater area of the pump meant loss of efficiency.

 
 

Products:

Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)

 

Substrate:

Cast steel

 
 

Application Method:

Application was carried out in accordance with modified versions of Belzona Know-How system leaflets CEP-1 & -3. An anchor point was drilled and fixed through the casing. Belzona® 1311 was used to restore the required profile using timber formers to gain required shape. Belzona® 1321 applied to give area erosion corrosion protection.

 
 

Belzona Facts:

This pump had lasted only two years before these repairs were required. The repaired pump has been in service since 2007 and is still running with no additional repairs required.

 
 

Photographs Description

  1. Damaged area with anchor pin in place
  2. Former in position
  3. Damaged area rebuilt with Belzona® 1311
  4. Finished job after application of 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