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Belzona® Reseats Wear Rings Without Machining



Water / Wastewater (WATR)



Centrifugal Pumps (CEP)


Customer Location:

Water treatment plant, Canada


Application Date:

March 2006


Application Situation:

Wear rings of a Worthington pump needed repairs on site.



Erosion of wear ring seats caused vibration to the pump which needed repairs on site.



Belzona® 1121 (Super XL Metal)



Cast Iron


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet CEP-2. The wear rings were located on the rotating element and used as former for the seats.


Belzona Facts:

Belzona® 1121 allowed rebuilding of the wear ring seats to the original profile without machining. Belzona® 1121 is solvent free and does not shrink  during cure allowing exact forming of the seat. Also being an insulator Belzona® 1121 eliminates any future galvanic corrosion.


Photographs Description

  1. The wear ring seart
  2. Release Agent applied to wear rings assembled on impellor
  3. Surface preparation underway
  4. Final result: no machining required
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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