| Belzona Extends Chiller Life | | | Industry:Heating, Ventilation & Air Conditioning (HVAC) | | | Application:Heat Exchangers (HEX) | | | Customer Location:International Airport, Stockholm | | | Application Date:2005, 2008 | | | Application Situation:Three chiller units for air conditioning of terminal buildings. | | | Problem:Corrosion on tubesheets (4) from one of the chillers was noticed in 2005. Cooling water comes from a local lake which together with galvanic effects was the cause of the corrosion. | | | Products:Belzona® 1311 (Ceramic R Metal)
Belzona® 1321 (Ceramic S Metal) | | | Substrate: | | | Application Method:Application was carried out in accordance with Belzona System Leaflet HEX-1. Surface preparation included steam cleaning to remove salt contamination. | | | Belzona Facts:In 2008, the chillers were inspected and the two untreated ones were found to have severe erosion, whereas the Belzona protected one was still in excellent condition. | | | Photographs Description
- General view
- Close up of erosion on tubesheet
- Steam cleaning
- Completed application
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