Floating ball valves are mainly used to cut off or connect media, and can also be used for fluid regulation and control. The floating ball valve adopts a soft sealing structure, designed with working seal and maintenance seal, with small operating torque, moderate sealing pressure ratio, reliable sealing, sensitive action, easy automatic control by hydraulic control, long service life, widely used in industries such as petroleum, chemical, metallurgy, papermaking, pharmaceuticals, electroplating, etc.