239 / | HD | FLUID SPRINKLING, SPRAYING, AND DIFFUSING |
34 | DF | SLOW DIFFUSERS {9} |
37 | .~ Gravity flow of liquid from supply holder {3} | |
38 | DF | .~.~> Free drip to open holder |
39 | DF | .~.~> Barometric flow to secondary holder {2} |
43 | DF | .~.~> To porous distributor exposed to atmosphere |