The project was executed at the industrial complex of Hellenic Petroleum, Aspropyrgos, Attica, and included the following works:
§ Blinding, opening of furnace, construction of internal scaffolds for inspection
§ Replacement of tubes at the radiant section and supports recommended during the inspection, quality control, hydraulic test
§ Various maintenance works of furnace L-3101, such as valve replacement, replacement of sensors
§ Closing of furnace, restorations and commissioning
Tube cross-section: 6", thickness 8.5mm, material Α-213 GrT9, length 16,670mm
20 tubes of 6’’ were replaced.
Welding in total: 6" 46 pcs, 2" 8 pcs
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