Three-eccentric center butterfly valve with built-in filter screen

The three-eccentric center butterfly valve with the built-in filter screen comprises a valve body, the two sides of the valve body are each connected with a flange connector, a U-shaped installation groove is formed in each flange connector, a filter screen assembly is arranged in each installation groove, each filter screen assembly comprises a filter screen ring, the filter screen and a limiting ring, and the limiting rings are arranged on the filter screen rings. And a limiting movable groove is formed in one side of the interior of the filter screen ring, a limiting ring is placed in the limiting movable groove, and a filter screen is installed on the side, away from the limiting ring, of the filter screen ring. The three-eccentric center butterfly valve with the built-in filter screen is provided with the mounting groove, the filter screen ring, the filter screen and the limiting ring, the filter screen ring is mounted in the mounting groove, and then the limiting ring moves outwards, so that the side fa