DLS Series Full-automatic Water Purifier is mainly used for filtering cooling water in power station, circulation water in industries, water for fire-fighting, water from daily life, washing liquid and other similar liquid. It can filter and clean automatically meanwhile not affecting water supplying during the operation. There are alarm for over-load pressure difference, over-load power of valves and problems of reducer. The electric control are base on PLC system, which can make this machine work without operator. This machine is suitable for water which contains much mud & sand and a little suspended matter. Type of water inlet & outlet: upper inlet with lower outlet / lower inlet with upper outlet.