A Tee is a pipe fitting which is shaped like a "T" and has two outlets at 90° to the single inlet connection.
- Tees are generally used to combine or split a fluid flow.
- Straight Tees have inlets and outlets of the same size.
- Reducing Tees have inlets and outlets of differing sizes, the smaller one typically being at 90 degrees to the two lager ones.
Sizes are Nominal Pipe Size (NPS) - size chart