This product uses fluoroplastic as the inner lining of the ball valve, and is equipped with a new type of ball structure with a rod, combined with its unique elastic lip sealing seat structure, making it have the advantages of ordinary ball valves. It can have high sealing performance and low operating torque in large pressure differences and large temperature differences. This product can be used as a switch or adjustment, and is suitable for liquid discharge in various industrial production. It can work well in strong corrosive media such as acids, alkalis, and salts.