Male and female connectors

Reduced Tee, also known as a " reducers". A type of piping fitting used to connect pipes of different diameters. It is further divided into concentric reducers and eccentric reducers. See pipe fittings.

Diameter reducing pipe materials include stainless steel reducing pipes, alloy steel, carbon steel reducing elbows, and reducing elbows in 20# steel grades like Q234 and Q345.