KHIA headerKnow-How in Action


Belzona® Is The Ideal Solution For Wear Ring Rebuilds



General Industry (GIND)



Centrifugal Pumps (CEP)


Customer Location:

Machine shop in North Florida, U.S.A.


Application Date:

July 1995


Application Situation:

Wear ring seats of a centrifugal pump.



The wear ring seat clearances have deteriorated from dissimilar metal corrosion and caused poor pump performance from loss of pump tolerances.



Belzona® 1111 (Super Metal)

Belzona® 9411 (Release Agent)



Cast iron


Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet CEP-2.


Belzona Facts:

The reforming of wear ring seats is a standard repair procedure that does not use uncontrolled heat treatments or specialized machining techniques to achieve a proper fit. By eleminating galvanic effects, the working life of this pump has been dramatically extended.


Photographs Description

  1. Surface preparation using a side grinder
  2. Belzona® 9411 (Release Agent) being applied to new wear rings
  3. New seats formed with Belzona® 1111 (Super Metal)
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


For more information about Belzona visit: