400x400 series of Diatomite Plate Frame Filter Machine principle is to use diatomite and paperboard or filter cloth used as a filter medium, for fruit juice, wine, wine, tea beverages, syrup, health products, oral liquid, medicine, Chinese herbal extracts, vinegar, soy sauce, gelatin, oil, chemicals, beer, rice wine and other industries of liquid filtration. The turbidity value of the liquid separated by the machine is up to 0.4EBC and the liquid is clear and transparent. The device has the characteristics of simple structure, stable and reliable performance and convenient operation.