251 / | HD | VALVES AND VALVE ACTUATION |
89 | DF | WITH MEANS FOR BLOCKING OR DISABLING ACTUATOR {6} |
95 | DF | .~ Released by non-valving actuator motion {3} |
96 | DF | .~.~ Linear reciprocation of rotary handle {1} |
97 | .~.~.~ Latch connects actuator to body through head |