ZY insulating oil purification plant can purify and dry oil in transformers on and off-line, The machine is designed for heating, drying and refining of transformer oil from liquid and solids. It is also intended for insulation restoration of current and voltage oil-filled transformers, for solid insulation cleaning of power transformers, for insulation drying of power transformers. ZY insulating oil purification plant also can be used for vacuum filling and vacuum drying of transformers and electrical equipment.