A 3-way ball valve 1/2 inch is a type of valve used in plumbing and industrial applications. It is designed to control the flow of a fluid or gas from one location to another. The valve is typically used to regulate the flow of water, air, or other liquids in a system. It is made up of three ports, which are connected by a ball that is sealed in place by a stem. When the stem is turned, the ball rotates to open or close the ports, allowing the fluid or gas to flow through the valve. The 3-way ball valve 1/2 inch is a versatile valve that can be used in a variety of applications, such as controlling the flow of water in a shower, regulating the pressure of a gas line, or controlling the flow of air in an HVAC system. It is a cost-effective and reliable solution for many plumbing and industrial needs.