A valve assembly comprising a fluid conduit (11,18) having an inlet and an outlet, and a valve seat (24) adapted to be engaged by a valve member (40) for controlling the flow of fluid through the outlet of the fluid conduit (11,18), wherein the valve assembly is defined by at least a valve body component (10) and a valve seat component (20) engaged therewith, the valve body component (10) defining at least part of the fluid conduit (11,18), and the valve seat component (10) defining at least the valve seat (24).
