nsh vfd insulation 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. ii.description sino-nsh vfd transformer oil purifier unit model vfd oil recycling 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. iii.edges of sino-nsh vfd transformer oil recycling plant 1.to remove free, soluble water, carbon, free and dissolved gases and particulate matters from insulating oil effectively and rapidly. 2.enhance the value of breakdown voltage greatly. 3.easy handling and maintenance. 4.inject oil into the transformers 5.online work 6.lower maintenance and replacement expenses 7.high efficiency and effectiveness 8.small size, light weight, low noise 9.various sizes and configurations (shield) available. iv.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