(under subclass 416) Apparatus in which the flow control means is provided with a biasing means urging it in one direction which means is restrained by a latch or similar element, which latch is released by means of the float.
SEE OR SEARCH THIS CLASS, SUBCLASS:
463, for safety cut-offs responsive to a line condition and employing fluid released trips.
467, for fluid released latches responsive to a line condition to allow the valve to open.
SEE OR SEARCH CLASS
251, Valves and Valve Actuation,
66+, for biased trips controlling valves and operated at will, and see the search notes to subclass 66.
