Function:
It is designed to prevent oil vapor from a roughing or foreline pump
from contaminating the vacuum system. It also traps water vapor.
Construction:
The trap has a 4.5-inch body and is connected to the vacuum system using an NW25 flange.
Reactivation:
The molecular sieve material inside the trap can be reactivated by
heating it in place during a bakeout cycle, while a mechanical pump removes the released gases