PROTECTION COATING APPLICATION ON A BULB GROUP

KHIA ID: 2448
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Steel
Customer Location: Hydropower plants / France
Application Date: August 2011
Products:

Belzona 1321 (Ceramic S-Metal)


Problem: The hub's painting was damaged because of the engineers pinholes.
Photograph Descriptions

1. Hub with existing painting

2. Painting grinding to remove non-adherent parts

3. Substrate blasting (steel and remaining painting)

4. Completed coating with Belzona 1321

Application Situation
Bulb group
Application Method
The application was carried out according to the Belzona Know-How Leaflet CEP-4. After the surface preparation by grinding and blasting, a complete coating was applied in 2 coats of 250 µm on the hub.
Belzona Facts
The wheel could be back in service in a short time frame. Durable protection against erosion-corrosion.