Manufacturer of automatic backwashing filter Guangzhou is much higher than the full-automatic backwashing filter series. it also needs to provide parameters. the specific situation of the full-automatic backwashing filter Guohai new product series structure and principle: this filter is mainly composed of high-quality carbon steel or stainless steel simplified, Johnson filter, water flow guide valve, differential pressure controller, Electric Control Box and sewage discharge device. When the filter is working, the water flow guide valve is in the open state, and the water flow enters the filter from the inlet and flows into the outlet after being filtered by the filter. The machine uses differential pressure control and positioning control to automatically clean the filter screen. When the inlet and outlet differential pressure of the filter reaches the set value or the timer reaches the preset time, the Electric Control Box signals and the sewage valve opens (the water flow guide valve is in the open state )
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Self-made water filter with quartz sand size good This needs to be determined according to the requirements of filter materials. if the filtering accuracy is high, try to use quartz sand with small particle size.