BELZONA GIVES SPIRAL CASING AND VANES NEW LEASE OF LIFE

KHIA ID: 117
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Mild steel
Customer Location: Hydroelectric Power Station in Japan
Application Date: January 1996
Products:

Belzona® 1341 (Supermetalglide)


Problem: Erosion/corrosion caused by river water.
Photograph Descriptions
  1. Surface preparation underway in the spiral casing  
  2. Casing coated with Belzona® 1341   
  3. Application completed by coating vanes
Application Situation
Spiral casing and vanes
Application Method
In accordance with Belzona Know-How Leaflet CEP-3. The casing and vanes were blast cleaned and the existing lining material (tar epoxy) peeled off. Belzona® 1341 was applied by airless spray. The coating was then tested for pinholes.
Belzona Facts
The customer could have had the casing and vanes recovered in tar epoxy which would have been cheaper, but this type of material is not enviromentally friendly. The major benefit is the extension of the life of the casing which is irreplaceable.