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