While most people think of labyrinth seals as a type of rotary seal, they also have applications for non-rotating sealing.
An excellent example of a non-rotary application is to provide a non-contact seal against high pressure while sealing in oil during compression strokes in reciprocating compressors. The first reciprocating compressor with a labyrinth seal was built in 1935, and this type of reciprocating compressor is known as a labyrinth compressor. Although the technology has been modernized and improved over time, some things remain the same including the benefits.
Need more information? Check out these posts from the Advanced EMC Technologies blog:
- Polymer Labyrinth Seals -7 Questions and Answers You Should Know!
- Abradable Polymer Labyrinth Seals -5 Fascinating Facts about Modified PTFE
- 7 Questions and Answers about Polymer Labyrinth Seals You Should Know