m Process Equipment ~ Oil ~ Oil PurificationEnclosed Weather-Proof 2-Stage Vacuum Transformer Oil Purifier/ Dielectric Oil TreatmentBy Cathy HuangAlthough conventional Oil Purification Systems are able degas and dehydrate oil, these system do not have the capabilities to cost effectively remove contaminants such as acids, sludge and other decaying products.ONLINE High-Vac Transformer Oil Purifier,