The fluorine-lined automatic control ball valve is composed of a pneumatic actuator and a fluorine-lined ball valve, and the valve body part can be combined with pneumatic and electric actuators to form a variety of different types of ball valves. According to the form of the valve core, the product can be divided into full-bore fluorine-lined O-type ball valve and fluorine-lined V-type ball valve. The product has low resistance, large flow coefficient, new structure, outstanding characteristics, and the product technology has reached the domestic leading level. It can be used for shut-off or adjustment, and the control valve is designed with a V-shaped ball to achieve the ideal adjustment characteristics according to the customer's requirements or flow linearity.