END COVER OF CONDENSER RECEIVES BELZONA HT SOLUTION
Industry: Oil & Gas (OILG)
Application: HEX-Heat Exchangers (HEX)
Substrate: Carbon Steel
Customer Location: Gas Plant, Southeast China
Application Date: August 2010
Products:
Belzona 1511 (Super HT-Metal)
Belzona 1591 (Ceramic XHT)
Problem: Severe pitting corrosion appeared on the cover after years of operation. The worst pitting is about 10mm deep.
Photograph Descriptions
- The internal surface before application
- Severe pitting damage
- Completed application
- The coating after 4 years shows no sign of further corrosion
Application Situation
End cover of condenser. Design temperature: 130°C; design pressure 0.1MPa
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet HEX-3. Belzona 1511 was used to rebuild the profile followed by an application of Belzona 1591 as a high temperature protective coating.
Belzona Facts
The cover was originally unlined. Belzona's solution prevented the cover from further corrosion, extended the equipment life and eliminated the cost of replacement. After 4 years in service, the coating is in perfect condition.