Legend
- 1. to vapor collection system
- 2. to liquid collection system
- 3. test connection (if required)
- 4. flushing (F)
- 5. venting of sealed seal (CSV), plugged
- 6. drain of sealed seal (CSD)
- 7. buffer gas inlet (GBI), plugged if not used with Plan 72
- 8. seal chamber
- a. if specified
- LI. level indicator
- LIT. level transmitter with local indicator
- PIT. pressure transmitter with local indicator
Leak and vapour drain installation. Containment seal chamber drain for condensed leakage in compact double seals. This system is used when the pumped liquid condenses at ambient temperatures. The system is supplied by the vendor. Valves to be installed acc. to the drawing; they must be easily accessible for the operator in a proper distance from the ground and other obstructions. It is possible to monitor leak and/or vapours of volatile organic substances drained to the discharge installation.
