Abstract: A 6-way valve (20) comprises two similar 3-way sub-valves (20a, 20b) being mechanically coupled with each other, such that both sub-valves (20a, 20b) are always in the same position, whereby each sub-valve (20a, 20b) has three different valve ports (33, 34, 35) and a valve member (22?) with an internal connecting channel (29), which valve member (22?) can moved between first and second end positions via an intermediate position such that in said first end position the first (33) and third (35) valve ports are connected with each other by means of said connecting channel (29), in said second end position the second (34) and third (35) valve ports are connected with each other by means of said connecting channel (29), and in said intermediate position said connecting channel (29) is disconnected from said first and second valve ports (33, 34).

Abstract: A 6-way valve (20) comprises two similar 3-way sub-valves (20a, 20b) being mechanically coupled with each other, such that both sub-valves (20a, 20b) are always in the same position, whereby each sub-valve (20a, 20b) has three different valve ports (33, 34, 35) and a valve member (22?) with an internal connecting channel (29), which valve member (22?) can moved between first and second end positions via an intermediate position such that in said first end position the first (33) and third (35) valve ports are connected with each other by means of said connecting channel (29), in said second end position the second (34) and third (35) valve ports are connected with each other by means of said connecting channel (29), and in said intermediate position said connecting channel (29) is disconnected from said first and second valve ports (33, 34).

Abstract: A flow characterizing device (30) for a valve comprises: a body (31) in form of a disc with a centerline, the body (31) having an inner surface (33) corresponding to the outer surface of the valve member when the flow characterizing device (30) is installed in the flow path of the valve; and an outer surface (37), the inner and outer surfaces (33, 37) of the flow characterizing device (30) disposed in a spaced relationship along the centerline of the flow characterizing device (30). The body (31) of the flow characterizing device (30) further comprises a flow characterizing channel (49) therein extending between the inner surface (33) and the outer surface (37) of the flow characterizing device (30), thereby providing fluid communication between the inner and outer surfaces (33, 37) of the flow characterizing device (30), and defining an opening (32) in the inner surface (33) of the flow characterizing device (30).