Principle: Automatic cleaning filter is the use of water filters to intercept solid contaminants and particulate matter, thereby reducing water turbidity and improve water quality. When the dirt on the screen to a certain extent the system will automatically open the drain valve and the body of the sewage agency on impurity filter cleaning and exclude foreign body. And continuous flow during discharge. Advantages: simple structure, decontamination effect is obvious, automatic sewage, sewage and other advantages during continuous flow. Automatic cleaning filters consists of body, coarse filter, fine filter, pressure controller, sewage valves, motors or hydraulic pistons, stainless steel brush waving smoke pollution components. Model diameter MM economic flows out of the outlet (M3 / H) YBS-1.5 1.5 40 10 YBS-2 2 50 16 YBS-3 3 80 45 YBS-4 4 100 65