.~ Flow path joint interlocked with valve or actuator
DEFINITION
Classification: 251/149.9
(under subclass 142) Subject matter wherein the closing-element is carried by one flow path section and another flow path section is detachably joined thereto, operation of the closing-element to a particular position being a prerequisite to attaching or detaching the joined sections.
SEE OR SEARCH THIS CLASS, SUBCLASS:
89.5, for a valve in one flow path section, a second flow path section detachably connected to the first section and means associated with the connecting means for blocking or disabling the valve actuator.
