| Item | Description |
| 1 | Isolation Valves |
| 2 | Optional filter - single or duplex, upstream placement (illustrated) or, downstream placement (not illustrated) |
| 3 | Differential Pressure Transmitter |
| 4 | Low Point Drain |
| 5 | RoTechBooster CXs |
| 6 | Temperature monitoring |
| 7 | Bypass to prevent condensates |
| 8 | On/Off Valve, actuated |
| 9 | Check Valve |
| 10 | DGS |
| 11 | Process side labyrinth |
| 12 | Seal gas |
| 13 | Shaft |