T-pattern valve ball is also named 180-degree valve ball, which is used for T-pattern three way ball valve for merging two inlet flows into one common outlet port. The valve is useful for separating or dividing flow. It may also act as L-pattern flow valves, diverting flow from one outlet port to the other. It may include diversion flow, mixing or split flow, and straight through flow based on the permissible range of handle motion.
