| 417 / | HD | PUMPS |
| 321 | DF | MOTOR DRIVEN {32} |
| 410.1 | DF | .~ Electric or magnetic motor {10} |
| 423.1 | DF | .~.~ Rotary motor and rotary nonexpansible chamber pump {13} |
| 424.1 | ![]() | .~.~.~ Supported for rotation on vertical axis {1} |
| 424.2 | DF | .~.~.~.~> Motor mounted below pump |