Duplex Steel Nipples act as a fitting that is a small segment of pipe in plumbing and piping. A male pipe thread connection is often supplied at either end of a nipple, which is used to provide a watertight seal when connecting pipes to threaded fittings, valves, or equipment. Our Duplex Steel Nipples are pipe fittings that consist of a small section of pipe with a pipe thread. They are situated at the end and are used to join other fittings. In some sour gas applications, they have been employed.