SUFA high pressure hydrogenation gate valve is suitable for refining hydrogenation unit, including residue oil hydrogenation, wax oil hydrogenation, gasoline and diesel hydrogenation, lubricating oil hydrogenation, aromatics hydrogenation, etc., and also suitable for other similar working conditions. It is mainly used for the required position of bidirectional flow, cut off, often in the full open or full close state, and should not be partially opened or used for throttling.