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Belzona® Protection For Gearbox Internal



Power (POWR)



Tanks and Chemical Containment Areas (TCC)


Customer Location:

Power Station, UK


Application Date:

February 2007


Application Situation:

Fifteen ton gearbox from ball mill used to pulverize coal.



Internal protection required by client to ensure long service life. Previous coatings had failed prematurely causing bearing failure and oil seal damage.



Belzona® 5891 (HT Immersion Grade)


Cast iron


Application Method:

The application was carried out in accordance with the Belzona Know-How System Leaflet TCC-5. Special attention was paid to surface preparation, particularly with regard to removing all impregnated oil and achieving correct grit blast profile.


Belzona Facts:

Decision to use Belzona was based on testing that demonstrated its toughness and resistance to hot oil. Previous use of the product in military gearboxes was another key factor for client.


Photographs Description

  1. Bare gearbox in workshop
  2. Application of Belzona® 5891 underway
  3. Application complete
  4. Assembled gearbox ready for service
Case study pic one


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 Case study pic four


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