
Legend
- 1. flush (F)
- 2. vent of containment seal (CSV), plugged
- 3. drain of containment seal (CSD), plugged
- 4. buffer gas inlet (GBI), plugged
- 5. mechanical seal chamber
Threaded connections to be used by the purchaser. Typically it is used when the purchaser may in the future use buffer (quenching) gas.

