KHIA headerKnow-How in Action


Belzona® Operates In The Desert



Oil & Gas (OILG)



Valves, Pipes and Fittings (VPF)


Customer Location:

Gas Pipeline, Tunisia


Application Date:

August 2006


Application Situation:

Gas transmission pipeline operating at pressure of 1300psi



Pipeline was highly corroded due to external corrosion. Over 60% wall loss was measured on the pipe. Isolating the pipe to change this corroded section would cost millions in production loss.



Belzona® 1121 (Super XL Metal)

Belzona® 5811 (Immersion Grade)



Carbon Steel


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets VPF-11a & TCC-5. Following grit blasting, Belzona 1121 with reinforcement sheet was used to rebuild the wall loss. Belzona 5811 was applied over the repair area to offer corrosion protection.


Belzona Facts:

This repair was completed online and with ambient temperature of 55°C (131°F). and avoided production losses. Following this application, an independant inspection company has approved the repair. 2 years later, the pipe is still in perfect condition and the custoner is considering extending the Belzona solution to other sections of the pipeline.


Photographs Description

  1. Corroded pipeline before blasting
  2. Blasted substrate
  3. Application being carried out
  4. 2 years later
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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