KHIA headerKnow-How in Action

VOL XXII, NO 154

Belzona® Repairs Leak In Hot Acid Pipeline

 
 

Industry:

General Industry (GIND)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Zinc Smelter - British Columbia

 
 

Application Date:

2007

 
 

Application Situation:

Cast valve handling hot Sulphuric acid

 
 

Problem:

A cast "T" junction had developed a large hole and a replacement unit was several weeks away

 
 

Products:

Belzona® 1311 (Ceramic R Metal)
Belzona® 4301 (Magma CR1 Hi-Build)
 

Substrate:

Cast Iron

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet VPF-11a

 
 

Belzona Facts:

With no replacement valve available production relied on the success of the Belzona repair which lasted until the new valve arrived some weeks later.

 
 

Photographs Description

  1. Overview of application situation
  2. The hole in the valve is prepared by grinding 
  3. Completed application of 1st patch using Belzona® 1311
  4. Completed application with fina patch of Belzona® 4301 and steel plate bonded in place
 
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