KHIA headerKnow-How in Action


Belzona Repairs Underwater Pipe On Offshore Platform



Buildings & Structures (BSTR)


Áreas Know-How:

Centrifugal Pumps (CEP)


Cliente / ubicación:

Oil and Gas Platform, Brazil


Fecha de aplicación:

March 2008


Situación de aplicación:

Sump pipe on oil and gas platform



Sump pipe was cracked due to impact. It was required to seal the affected area under water.



Belzona® 1161 (Super UW-Metal)

Belzona® 5831 (ST-Barrier)



Carbon Steel


Método de aplicación:

Application was carried out using a modified version of Belzona Know-How System Leaflet VPF-11a. Surface was cleaned in accordance with ISO 8501-1 St2/3 using pneumatic sander. Prior to commencement of the application several plates were coated with Belzona® 5831 for future corrosion protection. Plates bonded in place by diver using Belzona® 1161. Clamps were used to hold plates in place during curing process.


Hechos Belzona:

Practical training was carried out with the divers prior to carrying out the actual application.  Upon completion, inspection was carried out and a small leak was detected. The leak was repaired with the Belzona® 1161/5831 system.This repair is in perfect condition when last inspected in 2010.


Descripciones de fotografías

  1. Adhesion test being carried out with plates coated with Belzona® 5831 prior to application
  2. Testing Belzona® 1161 on edges of plate under immersed conditions
  3. Application being carried out by divers under water
Case study pic one


 Case study pic two


 Case study pic three




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