The threaded nipple is composed of a short pipe with male thread at each end, which is used to connect the other two pipe fittings. The length of the threaded nipple is usually determined by the total length of the thread. Swaging nipple (also known as reducing nipple) is a forged pipe fitting. It is used to change the diameter of the pipe and connect two pipes of different sizes.
- To alter the vibration characteristics of rotating units
- To connect the driving and the driven part
- To introduce protection
- To reduce the transmission of shock loads from one shaft to another
- To slip when overload occurs