BELZONA SAVES CAST IMPELLER FROM SCRAP
Industry: General Industry (GIND)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Cast Iron
Customer Location: Mechanical Workshop, Bulgaria
Application Date: March, 2016
Products:
Belzona 1311 (Ceramic R-Metal)
Problem: Set of cracks on one side of the newly cast impeller. The end-user had refused to accept the impeller without elimination of the cracked area. After mutual agreement between the customer and end-user, they agreed that a Belzona solution could be used.
Photograph Descriptions
- Impeller before application
- Мechanical grinding and machining of cracked area
- Masking of the repair area
- Completed application
Application Situation
New cast iron impeller slurry pump
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet CEP-6. All cracks were terminated, then Belzona 1311 was applied on the cracked area with reinforcement tape. More Belzona 1311 were added to restore the original profile of the impeller and give a smooth finish.
Belzona Facts
The customer had no alternatives except to recast the defective impeller, costing a lot of money and time. The conventional repair by welding was not an option because of unpredictable effects. The customer and end-user had previous experience with Belzona for similar applications with reliable results.
