At a major petrochemical plant in Saudi Arabia, multiple 150 MVA Power Transformers had developed serious oil leaks.Each of these high-voltage units, carrying nearly 50,000 liters of insulating oil, had developed leaks across radiator flanges, PRDs, and valve connections. The pattern was clear: this wasn’t a minor issue — it was a full-scale reliability threat. … Continue reading How Petrozone Repaired Multiple Oil Leaks on High-Voltage Power Transformers at a Major Petrochemical Facility in Saudi Arabia