SINO-NSH VFD Transformer Oil purifying Plant Application VFD insulating oil purifying series is mainly used to improve the properties of insulation oil. It can remove trace water, gas, particulate matters etc. from the insulating oil effectively and rapidly so as to boost performance of transformers, circuit breakers, mutual inductors, cable and capacitors which has insulation system. VFD oil purifying series specialize in purifying branded oil, insulating oil of high voltage and super high voltage transformer. Additionally, it is suitable for treating low viscosity lubrication oil. Other series products TF series turbine oil ,hydraulic oil purifying plant LV series lubricating oil ,machine oil purifying plant GER series engine(motor) oil ,lubricating oil purifying plant