A chromatography system comprising at least three chromatography columns (11a, 11b, 11c, 11d), said system further comprising: - a column inlet rotary valve including at least three primary ports connected to the inlets of at least three columns in the system and including at least three secondary ports connected to at least three inflows and - a column outlet rotary valve including at least three further primary ports connected to the outlets of the at least three columns in the system and including at least three further secondary ports connected to at least three outflows, - said inlet and outlet valves providing a feed recirculation flow path in which feed recirculation is possible from the outlet of one of the columns presently serving as a primary load column in the chromatography process to the inlet of one of the columns presently serving as a secondary load column, wherein said feed recirculation flow path is connected to an inflow of the column inlet rotary valve and to an outflow of the column outlet rotary valve and allows further transfer of the feed recirculated from all the columns in the system in turn serving as primary load columns and wherein said feed recirculation flow path is in turn connected to the inlets and outlets of the columns through the column inlet and column outlet rotary valves, and wherein said inlet and outlet rotary valves comprise: a stator with an inner stator face, and a rotor with an inner rotor face arranged in sealing contact with the inner stator face, the rotor is rotatably movable to a plurality of rotor positions about a rotational axis relative to the inner stator face, the stator comprises a plurality of connection ports each being in fluidic contact with a corresponding valve orifice at the inner stator face and the rotor comprises two or more rotor interconnection paths for selective fluidic interconnection of said valve orifices with respect to the rotor position, wherein the stator includes said at least three primary connection ports and said at least three secondary connection ports, and wherein the rotor interconnection paths are arranged to: in the different rotor positions interconnect the primary connection ports with the secondary connection ports such that all of said at least three secondary connection ports can be connected one at a time to each of said at least three primary connection ports by rotating the rotor into the different rotor positions such that said feed recirculation path is attained. - a column inlet rotary valve including at least three primary ports connected to the inlets of at least three columns in the system and including at least three secondary ports connected to at least three inflows and - a column outlet rotary valve including at least three further primary ports connected to the outlets of the at least three columns in the system and including at least three further secondary ports connected to at least three outflows, - said inlet and outlet valves providing a feed recirculation flow path in which feed recirculation is possible from the outlet of one of the columns presently serving as a primary load column in the chromatography process to the inlet of one of the columns presently serving as a secondary load column, a stator with an inner stator face, and a rotor with an inner rotor face arranged in sealing contact with the inner stator face, the rotor is rotatably movable to a plurality of rotor positions about a rotational axis relative to the inner stator face, the stator comprises a plurality of connection ports each being in fluidic contact with a corresponding valve orifice at the inner stator face and the rotor comprises two or more rotor interconnection paths for selective fluidic interconnection of said valve orifices with respect to the rotor position, wherein the stator includes said at least three primary connection ports and said at least three secondary connection ports, and wherein the rotor interconnection paths are arranged to: in the different rotor positions interconnect the primary connection ports with the secondary connection ports such that all of said at least three secondary connection ports can be connected one at a time to each of said at least three primary connection ports by rotating the rotor into the different rotor positions such that said feed recirculation path is attained.