The present invention provides a liquid mixing infusor (A, B, C) comprising a main body (10, 30) having a first inlet port (16b) and an outlet port (16a) and a rotatable valve body (21,41) arranged within a chamber of said main body, said valve body being rotatable between a fluid through-flow position and a fluid blocking position, wherein said valve body (21) includes at least one actuating arm (27a, 27b, 47a, 47b) extending externally of said main body and wherein said liquid mixing infusor includes a second inlet port (12) in fluid flow connection with a fluid flow channel of said valve body.
