Principle of automatic brush filter

The resulting differential pressure. Through pressure poor switch monitoring access water mouth pressure poor changes, dang pressure poor reached set value Shi, electric control device to hydraulic control valve, and drive motor signal, raised following action: electric machine led brush rotating, on filter for cleaning, while control valve open for sewage, whole cleaning process just continued number 10 seconds, automatic brush type filter device Dang cleaning end Shi, close control valve, motor stop turned, system recovery to its initial state, began into next filter process.