Filtering arrangement for stepwise screening of fine and coarse particles in a single functional unit

摘要

The present invention relates to an industrial scale filtration assembly for filtrating a liquid and screening of foreign particles and dirtiness. More particularly the invention pertains to a self-cleaning filtration assembly for gradually screening of fine and coarse particles in a single system by using different filtration screens (2, 4) concentrically formed in a single filter body (13).