Belzona® Restores Two Pump Impellers

Industry:

General Industry (GIND)

Application:

Centrifugal Pumps (CEP)

Customer Location:

Oyster culture, The Netherlands

Application Date:

April 2007

Application Situation:

Pumps used in oyster cultivation

Problem:

The two impellers had severe damage because a large bolt was left in the inlet of the pump

Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Substrate:

Bronze

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets CEP-1 & 3. Steel plates were formed to recreate the lost vanes. Wire mesh was also incorporated into the Belzona rebuild as the original profile was restored. Repair was coated with Belzona® 1321 to give additional smoothness and erosion protection.

Belzona Facts:

Replacement impellers were not available in the time scale required to maintain the Oyster production.

Photographs Description

1. Damaged impeller
2. Stainless steel infill plates
3. Belzona® 1111 used to bond plates and restore profiles
4. One repaired alongside one still to be repaired