A ball valve is a type of valve that regulates the flow of a gas or liquid through a pipe. It consists of a fluid-impermeable, perforated, and swiveling ball. The ball at the middle is what permits or blocks the passage of fluids. This basic design is simple but highly efficient in regulating the flow of fluids in the home and in the industry. A ball valve can regulate the flow of water in a pipe to regulate the hot water flow in the home. Similarly, a ball valve can enable the flow of pressurized gases in the factory. Components of a ball valve include; . The body. This houses the ball, . The stem: this links the ball to the actuator. . The seat. The seat ensures the tighter, fluid proof seal around the ball, which prevents it from dripping when the valve is shut. A handle, or .