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Belzona® Restores Hydrogen Cooler Ends



Power (POWR)



Mechanical Power Transmission (MPT)


Customer Location:

Power Station, Ontario


Application Date:

November 2009


Application Situation:

Hydrogen seals are found on either end of the generators and seal hydrogen cooling gas from escaping.



Seals had become out of round and as a result gas leaks had started.



Belzona® 1111 (Super Metal)



Carbon Steel


Application Method:

Application carried out in accordance with Belzona Know-How System Leaflet MPT-9. Units are set up on a turntable and Belzona applied to rebuild groove before being re-machined to tolerance.


Belzona Facts:

Each of these hydrogen rings, depending on size, range from $80K to $120K. These repairs cost under $3K per unit complete. In addition to these savings the Belzona is approved for these applications.


Photographs Description

  1. Unit set-up on turntable and upper and lower outside diameters masked off
  2. Belzona® 1111 applied to build up the groove to the desired over-thickness
  3. Seals ready to be machined to correct tolerance
Case study pic one


 Case study pic two


 Case study pic three




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