SUFA high pressure hydrogenation floating ball 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 is also suitable for other similar working conditions. High pressure hydrogenation floating ball valve mainly plays a cut-off role, often in full open or full close state, high temperature, high pressure, wear resistance, corrosion resistance, especially in the fixed particles, easy coking and other strict conditions, excellent performance, reliable sealing.