NSH VFD oil purifier 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 purification equipment specialize in purifying branded oil, insulating oil of high voltage and super high voltage transformer. Additionally, NSH oil filter systems are suitable for treating low viscosity lubrication oil.