(under subclass 594) Systems having at least one valve in each of two or more noncommunicating flow lines, the valves in the noncommunicating flow lines being connected to a single operating means so as to be operated thereby.
SEE OR SEARCH THIS CLASS, SUBCLASS:
601, 607 and 862+, for distribution systems comprising branched flow lines with a common operator for valves in plural branches.
627, 627.5 and 628+, for plural valves of selective or sequential types having a single actuator, and see the search notes thereto.
