251 / | HD | VALVES AND VALVE ACTUATION |
89 | DF | WITH MEANS FOR BLOCKING OR DISABLING ACTUATOR {6} |
111 | .~ Latch manipulator mounted on valve body {3} | |
112 | DF | .~.~> Set screw |
113 | DF | .~.~> Constrained linear motion of latch with rigidly associated manipulator |
114 | DF | .~.~> With pivoted latch {2} |