239 / | HD | FLUID SPRINKLING, SPRAYING, AND DIFFUSING |
436 | DF | SELECTIVELY USABLE OR VARIABLE DIVERSE TERMINAL OUTLETS {3} |
443 | DF | .~ And valve controlling flow {1} |
444 | DF | .~.~ Valving means for each flow path {2} |
446 | DF | .~.~.~ Integral or rigidly interconnected valving means {2} |
448 | DF | .~.~.~.~ Central flow path {1} |
449 | .~.~.~.~.~ And surrounding ports (peripheral) |