137 / | HD | FLUID HANDLING |
561 R | DF | SYSTEMS {32} |
613 | DF | .~ Flow path with serial valves and/or closures {7} |
614 | .~.~ Separable flow path section, valve or closure in each {4} | |
614.01 | DF | .~.~.~> Common joint and valve seat faces, or sections joined by closing members |
614.02 | DF | .~.~.~> Each valve and/or closure operated by coupling motion {1} |
614.05 | DF | .~.~.~> Valve- or closure-operated by coupling motion |
614.06 | DF | .~.~.~> Coupling interlocked with valve, or closure or actuator |