... .Voltage:380V,50HZ,5.5kw Drinking water reverse osmosis equipmentDesign foundation:1.Raw water qulaity:Tap water2.Water purpose:Drinking water.3.Water output:5000L/H.4 ... system,and electrical control system.2.Pretreatment system generally contains pumps,dosing devices,quartz sand filters,activated carbon filter,and precision ...