The FLTR Portable Transformer Oil Purification Machine is a compact, high-efficiency solution for purifying unqualified insulating oils, such as transformer and switch oils. It removes water, gas, and particles, enhancing the oil’s dielectric strength. This portable unit supports vacuum drying and oil filling, and features an infrared liquid auto-control device for balanced operation. With advanced duplex 3D evaporation and multi-stage filtration down to 1 micron, it ensures effective dewatering and degassing. Built with a low-noise, long-life oil pump, uniform heating, and interlocked safety protections, it provides reliable, safe, and energy-efficient performance.