automatic self-cleaning filter are applicable for harsh operation conditions and can be equipped with the mesh of 25-3500 micron and the caliber of 2"-36" according to different use requirements. The self-cleaning process of the filter is started by means of monitoring the differential pressure at the inlet and outlet of the filter at a time. Generally, the pre-set value of the differential pressure switch is 0.5 bar (7 psi). The filter has many advantages such as continuous filtration, simple maintenance, and easy operation; therefore, it is widely used in many industries