(under the class definition) Subject matter wherein the valve actuator comprises a flow confining member which comprises the inlet or outlet for material passing through the valve.
SEE OR SEARCH THIS CLASS, SUBCLASS:
153+, for valves combined with particular inlet and outlet means, and see the search notes thereto.
SEE OR SEARCH CLASS
137, Fluid Handling,
286+, for hydrants in which the outlet riser is the actuator for the valve, and subclass 616+ for distribution systems wherein the valve actuator is an articulated or swinging flow conduit or nozzle, and see the search notes thereto.
