| 210 / | HD | LIQUID PURIFICATION OR SEPARATION |
| 97 | DF | FLOW, FLUID PRESSURE OR MATERIAL LEVEL, RESPONSIVE {14} |
| 121 | DF | .~ Float {2} |
| 123 | DF | .~.~ Controls valve {5} |
| 128 | ![]() | .~.~.~ Float in receptacle other than that of separator {1} |
| 129 | DF | .~.~.~.~> In flow between inlet and separator |