137 / | HD | FLUID HANDLING |
561 R | DF | SYSTEMS {32} |
625 | DF | .~ Multi-way valve unit {12} |
625.12 | DF | .~.~ Sequentially progressive opening or closing of plural ports {1} |
625.13 | .~.~.~ With subsequent closing of first port {2} | |
625.14 | DF | .~.~.~.~> Flow combining with flow dividing |
625.15 | DF | .~.~.~.~> Rotary {1} |