He threaded PVC Ball Valves used in plumbing and irrigation systems. Their primary function is to control the flow of water (or other fluids) through a pipe. By turning the handle, the internal ball rotates to either allow water to pass through or to stop the flow completely. They are commonly used because they offer a quick shut-off mechanism, are durable, and resist corrosion, making them ideal for agriculture, plumbing, and industrial us