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Compressor Inter & After CoolersAll types of finned tubes for air-coolers, compressor inter- and after-coolers and motor-coolers are produced at GEA's factory at Roodekop, Germiston. GEA Aircooled Systems, recognised as a leader in the heat exchanger industry in South Africa over the past 25 years, has been granted a provisional patent for the manufacturing process of copper finned tubes suitable for 100% oxygen duty. The double "L" finned tube, successfully produced after an extensive research and development programme, is in accordance with the Mannesmann Demag cleaning specification No. 010 008 99. It also complies fully with the Vecom specification SPI 2411 for oxygen compressor duty, which specifies a contamination level of hydrocarbon and other organic matter less than 100 mg per m² of finned tube surface area. Specialised equipment includes a purpose-designed vapour degreasing plant and an analytical balance for in-house quality control. Continuous monitoring of contamination levels is undertaken with independent certification by Vecom Laboratories in Holland.
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