Application and Function: LY series plate pressure oil purifier is specially designed for power station, electricity factory, mineral enterprise, lube depot, tractor station, petroleum, chemical engineering, metallurgy, national defense unit, etc, filtering water and impurities of transformer oil, turbine oil, engine oil, diesel oil, kerosene, aviation hydraulic oil and as well as filtering edible oil while using stainless steel. The machine is made up of filter bed, oil pump and rough filter. There are filtering media, such as filtering paper or filtering fuse, installed between the plastic filter board and filter plate that will be fixed to form a single filtering room under the pressure of the packing device. The filtering paper or filtering fuse packed between the filter board and filter plate will play a role of filtering. It's characterized by simple structure, easy operation, low cost, etc.