| 137 / | HD | FLUID HANDLING |
|
| 455 | DF | LINE CONDITION CHANGE RESPONSIVE VALVES {11} |
| 511 | DF | .~ Direct response valves (i.e., check valve type) {14} |
| 528 | DF | .~.~ Reciprocating valves {5} |
| 535 | DF | .~.~.~ Spring biased {5} |
| 540 |  | .~.~.~.~ Spring coaxial with valve {9} |
| 540.11 | DF | .~.~.~.~.~> Broken valve parts retainer |
| 541 | DF | .~.~.~.~.~> Spring in inlet |
| 542 | DF | .~.~.~.~.~> Valve stem extends through fixed spring abutment {1} |
| 543.13 | DF | .~.~.~.~.~> Spring abuts removable valve stem guide |
| 543.15 | DF | .~.~.~.~.~> Head slides on guide-rod concentric with spring |
| 543.17 | DF | .~.~.~.~.~> Spring guides valve head |
| 543.19 | DF | .~.~.~.~.~> Cage-type guide for stemless valves |
| 543.21 | DF | .~.~.~.~.~> Guide means integral and coplanar with valve disk |
| 543.23 | DF | .~.~.~.~.~> Head between spring and guide |