KHIA headerKnow-How in Action

VOL XVII, NO 47

Belzona® Protects Large Butterfly Valve

 
 

Industry:

Power (POWR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Power station - Ireland

 
 

Application Date:

2003

 
 

Application Situation:

Butterfl y valve from cooling water system.

 
 

Problem:

Severe erosion-corrosion on the body and particularly the valve disc.

 
 

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 VPF-1 and VPF-2.

 
 

Belzona Facts:

Weld repairs were not considered viable on the cast iron valve body. Belzona was the only cost effective alternative to replacing the valves at a cost of approximately €20,000 ($24,000).

 
 

Photographs Description

  1. Valve removed
  2. Degree of erosion on the disc clearly evident
  3. Application underway
  4. Completed application
 
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