416 / | HD | FLUID REACTION SURFACES (I.E., IMPELLERS) |
9 | DF | WITH MEANS POSITIONING FLUID CURRENT DRIVEN IMPELLER RELATIVE TO FLOW DIRECTION {2} |
10 | DF | .~ Offset relative to flow direction {3} |
13 | ![]() | .~.~ Horizontal deflection relative to flow-aligned vane {3} |
14 | DF | .~.~.~> With impeller brake or stop |
15 | DF | .~.~.~> And responsive to transverse vane |
16 | DF | .~.~.~> Biased to position by weight of parts |