... , with simple operation and reliable run7) Operation method of single-pipe ultra-filter7-1.Useopened valve F1, F3, add pure ... valve F2, F4, the equipment begin work.7-2CleaningCleaning membrane pipe after untra-filtration, first, take out the filter, element, ... cleaning filteration pipe of pump body with pure water or penetrating fluid, in order to avoid harmful residues. Single pipe Ultra-filter