A machined cylinder used as:
- A restrictive bushing in flushing applications
- A thermal barrier in high temperature applications
- A disaster bushing in an API (American Petroleum Institute) gland, and used to support a deflecting shaft in many mechanical seal applications.
A good grade of carbon- graphite is often used because of its chemical compatibility with most chemicals and its non-sparking characteristic. Teflon® is another widely used material.
- On February 15, 2018