High-performance butterfly valve sealing ring

The utility model discloses a high-performance butterfly valve sealing ring, and relates to the technical field of sealing rings. The valve comprises an installation valve body and a valve plate, the valve plate is detachably installed in an inner cavity of the installation valve body, a valve rod used for moving of the valve plate is detachably installed on one side of the valve plate, a protective ring is detachably installed in the inner cavity of the installation valve body, and a valve seat is detachably installed at the end, away from the opening end of the installation valve body, of the protective ring. The outer wall of the valve plate is attached to the inner wall of the valve seat. The sealing ring of the valve seat is machined through equipment such as a lathe, the sealing mode of the valve is changed from line contact sealing to point contact sealing, the maintenance work of the butterfly valve is rapidly and efficiently completed, the time and cost needed for maintaining the butterfly valve are