KHIA headerKnow-How in Action

VOL XXVI, NO 33

Belzona® Reseats Wear Rings Without Machining

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

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.

 
 

Problem:

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

 
 

Products:

Belzona® 1121 (Super XL Metal)

 

Substrate:

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

 

 
 
For more information about Belzona visit: www.belzona.com