IMMACULATE BELZONA HEAT EXCHANGER REPAIR

KHIA ID: 2259
Industry: Oil & Gas (OILG)
Application: HEX-Heat Exchangers (HEX)
Substrate: Bronze
Customer Location: Major oil company, South Norway
Application Date: December 2007
Products:

Belzona® 1391 (Ceramic HT)


Problem: Surface of the tubesheet was badly corroded and required protection before leakage became an issue.
Photograph Descriptions
  1. Gritblasted Tubesheet
  2. Belzona® 1391 applied to the tubesheet surface
  3. Former plate coated with Belzona® 9411 assembled
  4. Completed Application, one perfectly formed and protected tubesheet
Application Situation
Tube sheet from oil cooler on offshore production platform.
Application Method
Application was carried ouit in accordance with Belzona System Leaflet HEX-1. Following gritblasting Belzona® 1391was applied to the tubesheet. A special made former plate coated with Belzona® 9411 (Relase agent) was assembled with 2mm spacers to ensure coating thickness. After 24 hours cure time the former was removed and the tubesheet put back into service.
Belzona Facts
The customer neded a quick and cost effective solution to this common problem. The tubesheet has been in service for over 3 years now and is still in perfect condition.