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Main Condenser Coating

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Case History #040  REV.04-97

LOCATION: South Ukraine Nuclear Power Plant Unit #2

Severe scaling of the tube internals were causing a steep decline in heat transfer. All 116,000 tubes and tubesheets were cleaned out and coated. The tubes were cleaned using a 4HP air powered tube cleaner with an attached 15 M rotating flexible shaft with a carbide bit and brass brush mounted on the end. S-30 Prime and S-30 were spray applied in 2-coats to a final DFT of 50 mils without the use of coating plugs. The condensers of all 3 units were coated with the ARCOR S-30 system.