The PVC ball valve is mainly used to cut off or connect the medium in the pipeline, it can also be used for liquid regulation and control, compared with other valves, it has the following advantages: the liquid resistance is small, the ball valve is the smallest fluid resistance in all valve classes, even if it is a reduced diameter ball valve, the fluid resistance is quite small. The PVC ball valve is a new product developed according to the needs of various corrosive liquid pipelines. The valve body is light, strong corrosion resistance, compact and beautiful appearance, light and easy installation, strong corrosion resistance, wide range of applications, hygienic non-toxic material, wear resistance, easy disassembly, simple and easy maintenance.