Black Pipe Plugs:
- Also called pipe caps, they seal the open end of a pipe section.
- Made of forged carbon steel or malleable iron for strength.
- Often have external hex heads for tightening with wrenches.
Black Pipe Nipples:
- Short pipe sections with threaded male ends.
- Made of generic black steel which is economical.
- Used as connectors between other pipe fittings like elbows, tees, etc.
- Allow incremental assembly and adjustment of pipe runs.
Benefits include:
- Easy and secure capping of pipe ends during construction.
- Threaded connections facilitate piece-by-piece assembly.
- Versatile joining of other piping components as needed.
