.~ With mechanical movement between actuator and valve
DEFINITION
Classification: 251/58
(under subclass 12) Subject matter wherein a mechanical movement is interposed between the fluid pressure actuator and the valve.
(1) Note. For the definition of a mechanical movement as used in connection with valve actuation, see subclass 213.
SEE OR SEARCH THIS CLASS, SUBCLASS:
138, for electrical valve actuators with interposed mechanical movements.
213+, for valve actuators comprising mechanical movements and see the search notes for other mechanical movement devices in connection with other types of valve actuation or fluid handling. See (1) Note. Search Class 137, Subclass.
505.46, and 505.47, for reactor surfaces operatedly connected to valves by mechanical movement.
SEE OR SEARCH CLASS 137, Fluid Handling,
104, for pulsator valves operated by suction, as in milker pulsators, with trip linkage.
