KHIA headerKnow-How in Action

VOL XXXI, NO 77

Belzona® Repairs Rubber Lined Valves

 
 

Industry:

General Industry (GIND)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Pump/Valve Repair Shop, Saudi Arabia

 
 

Application Date:

January 2016

 
 

Application Situation:

20" and 36" Gate Valves

 
 

Problem:

Damage to the existing rubber lining had resulted in corrosion damage to the exposed steel substrate.

 
 

Products:

Belzona 2111 (D & A Hi-Build Elastomer)

Belzona 2911 (Elastomer QD Conditioner)

 

Substrate:

Rubber / Carbon Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet VPF-3. Areas of damaged rubber lining were cut away and the exposed steel substrate was prepared by grit blasting. Following the application of Belzona 2911, the damaged areas were rebuilt using Belzona 2111.

 
 

Belzona Facts:

The Belzona solution gave the quickest and most economical solution when compared to the traditional method of replacing the complete rubber lining.

 
 

Photographs Description

  1. View of existing lining damage
  2. Another area of lining damage
  3. Surface preparation including Chloride Test for salt contamination
  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