... valve F2, F4, the equipment begin work. 7-2CleaningCleaning membrane pipe after untra-filtration, first, take out the filter, element, Put ... all valves, in order to keep enough water in membrane pipe for maintainence. 8) Attention8-1 The temperature of the electrophoresis ... If ultrafiltration doesn’t run for long, suggested cleaning filteration pipe of pump body with pure water or penetrating fluid, in ...