... used in water supply treatment, purification for tap water, seawater and brackish water, pure water and ultra-pure drinking water production, power stations, electronic ... 99%5. Treatment water TDS range: 30-50ppm(bottled water standard) 4>Installation 1. Raw water pump-provide the pressure to ... , dust, suspended matter, impurity.5. High pressure pump-provide the high pressure to RO membrane (at least ...