| 55 / | HD | GAS SEPARATION |
| 342 | DF | MULTIPLE SEPARATORS, EACH WITH DISCRETE AND LONGITUDINALLY CONFINED GAS INLET OR OUTLET FLOW PATH {5} |
| 345 | DF | .~ Centrifugal {1} |
| 346 | DF | .~.~ Parallel {3} |
| 348 | ![]() | .~.~.~ Plural gas inflow openings, slots, or whirl vanes in each separator |