US Patent 9004106 Switching apparatus for a fluid flow

A switching apparatus for a fluid flow with a first fluid-conducting connection (5) and a second fluid-conducting connection (6) between first and second treatment devices (3, 4) has a first pair of switching levers (11, 12) assigned to first and second distributor valves (7, 8) and a second pair of switching levers (15, 16) assigned to third and fourth distributor valves (13, 14) arranged in different planes. The switching levers (11, 12) of the first pair can be actuated by an operator without obstruction with the switching levers (15, 16) of the second pair, and vice versa.