What is a tee?

Tees are pipe fittings and pipeline connectors. Also known as a pipe fitting tee or tee fitting, a tee joint is used where the main pipeline needs to branch.
A tee has three openings, one inlet and two outlets; A type of chemical pipe fitting with two inlets and one outlet, consisting of T-shaped and Y-shaped fittings, with equal diameter nozzles and reducing diameter nozzles, used at the confluence of three identical or different pipelines. The main function of a tee is to change the direction of the fluid.