Dyj series multi-functional lubricating oil purifier Dyj series oil purifier is a kind of multi-functional equipment for dehydration, degassing, and purification process of lubricating oil. It is developed and manufactured by wanmei to treat varieties of lubricating oils with deferent kinematic viscosity and flash point. Dyj series oil purifier is ideal equipment for factories, mines and other industries to purify different kinds of lubricating oils. The double-stage and multi-stage oil purifiers are more efficient in their operation. In view of customers’ special requirement, we have also developed dyj-b series of semi-automatic lubricating oil purifier, dyj-q automatic multi-functional lubricating oil purifier and dyj-ex anti-explosion multi-functional lubricating oil purifier which are suitable to work in different conditions.