... , such as Mine,Metallurgy, Petroleum, Chemical, Medicine, Textiles, Printing and Dyeing, Papermaking, Food, Sewage Treatment, Clay Processing, Environmental Protection etc ... of the filter plate is lower than 25μm.7.Hydraulic cylinders are made by steel 45 after surface processing ... system. Automatic Membrane Filter Press Designed to be Automatic Hydraulic Closing and Auotmatic Filter Plate Shifting