(under the class definition) Subject matter wherein the actuator has more than one character or direction of motion, as rotating and reciprocating, horizontal and vertical, which motions are performed in sequence in the same valve actuating operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
213+, for valves with mechanical movement actuators, especially subclasses 215+ for plural motions of a valve having a mechanical movement actuator, e.g., screw actuated valves.
SEE OR SEARCH CLASS
137, Fluid Handling,
636+, for plural valves actuated by different motions of the same actuator.
