A equal tee is the most common pipe fitting. It is used to either combine or split a fluid flow. It is a type of pipe fitting which is T-shaped having twooutlets, at 90° to the connection to the main line. It is a short piece of pipe with a lateral outlet. A tee is used for connecting pipes of differentdiameters or for changing the direction of pipe runs. They are made of various materials and available in various sizes and finishes. They areextensively used in pipeline networks to transport two-phase fluid mixtures.