vfd series(vfd-30 vfd-50 vfd-80 vfd-100 vfd-150 vfd-200 vfd-300) 1.sino-nsh portable transformer oil reprocessing equipment 2.nsh vfd transformer oil purifier plant 3.nsh vfd transformer oil purification unit 4.vfd transformer oil filtering system 5.vfd transformer oil filtration machine 6.vfd transformer oil recycling plant 7.vfd transformer oil treatment equipment 8.sino-nsh vfd transformer oil regeneration equipment sino-nsh vfd transformer oil filtering (regeneration,restoration,filtering,filter)system application 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 series specialize in filtering branded oil, insulating oil of high voltage and super high voltage transformer. additionally, it is suitable for recycling low viscosity lubrication oil. description sino-nsh vfd transformer oil purifier unit model vfd oil tecycling utilizes coacervation technology, coalescing technology, separating technology and refined purification technology. comparing to model vf series, it adds roots vacuum system, second stage of separating system to improve the effect of purification, to remove free, soluble water, carbon, free and dissolved gases and particulate matters from insulating oil effectively and rapidly. product catalogue insulation oil series vfd double-stage high-efficiency vacuum insulation oil purifier vfd-a double-stage vacuum insulation oil automation purifier vfd-r double-stage vacuum insulation oil regeneration purifier vfd-t double-stage vacuum insulation oil purifier with tester please kindly feel free to contact with me immediately by email: sinonsh808@sino-purification.com; sinonsh808@hotmail.com or by skype: diana070706 for our future business if you are interesting in our products.