Properties:

A fitting having three connections with the branch connection fixed at 90 degrees (1.5708 radians) to the run. The flange connection(s) is designed to connect with another flange connection or a compression mounting pad. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a flange or flange fitting and a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.