This valve adopts a butterfly-type large eccentric inclined seat design, featuring low energy consumption, stable operation, and excellent sealing performance. It integrates the functions of an electric gate valve, electric butterfly valve, and check valve, with quick closing and slow closing functions that effectively eliminate water hammer risks and protect the safety of pumps and pipeline networks. It is mainly used on the outlet pipelines of centrifugal pumps, mixed-flow pumps, and axial-flo