Tee is pipe fitting and pipe connecting piece. Also called pipe fittings tee or tee fittings, tee joints, used in the main pipe to branch pipe.

A tee has three openings, namely one inlet and two outlet; Or two inlet, one outlet of a chemical pipe fittings, T shape and Y shape, with equal diameter pipe mouth, also have reducing diameter pipe mouth, used for three same or different pipe convergence. The main function of the tee is to change the direction of the fluid