| 417 / | HD | PUMPS |
| 65 | DF | ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10} |
| 118 | DF | .~ Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber {7} |
| 126 | DF | .~.~ With float actuated control means {5} |
| 127 | ![]() | .~.~.~ Plural floats in single pumping chamber |