| 137 / | HD | FLUID HANDLING |
| 561 R | DF | SYSTEMS {32} |
| 625 | DF | .~ Multi-way valve unit {12} |
| 625.2 | DF | .~.~ Supply and exhaust {4} |
| 625.21 | DF | .~.~.~ Rotary valve {1} |
| 625.22 | | .~.~.~.~ Plug type {2} |
| 625.23 | DF | .~.~.~.~.~> For plural lines |
| 625.24 | DF | .~.~.~.~.~> Axial and radial flow |