... for drinking or beverage factory, which include sand filter, carbon filter, softener, micron filter and RO system. 1.1 First stage ... The main structure: barrel body, baffles, manhole, gauge, filter head, filter, into the water pipes, drains and flushing water mains, ... of activated carbon for removal by the quartz sand filter without the filter out organic material, adsorption of residual chlorine in ...