A T-type tee joint, also known as a T-joint or a T-connection, is a type of joint used in high-pressure fluid lines to connect three components together at right angles. It is named after its shape, resembling the letter "T."

a T-type tee joint Tee joints are commonly used in plumbing, piping systems, and structural applications. They allow for the branching of fluid or material flow, as well as the connection of different sections or elements. The branch component can be smaller or larger in size compared to the run components, depending on the specific requirements of the system.