Decoking Descaling Technology Inc. (DDT) is a global leader in pigging services for refinery heater tubes, with a presence in 52 countries and over 200 refineries. Founded in 1991, DDT utilizes advanced patented cleaning tools called DDT Piggs to remove the toughest coke and scale deposits, guaranteeing the complete restoration of heater tubing for improved performance and increased reliability.
With a pioneering approach in the pigging industry, DDT offers mechanical pigging services to decoke and descale fired heaters in refineries and petrochemical plants. Their closed-loop, self-contained hydraulic system and a range of patented equipment options, including four pass units, ensure safe and efficient removal of scale and coke buildup, empowering refinery teams for maximum process unit profitability.
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