| 摘要 |
A valve assembly comprises 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. The assembly further comprises a valve body component 10 defining at least part of the fluid conduit 11, 18, and a valve seat component 20 defining at least the valve seat 24. The valve assembly may be an exhalation valve assembly and the valve assembly may form part of a respiratory circuit. Preferably, the valve seat component 20 and valve body component 10 are permanently fixed together following engagement. A method of manufacture is also disclosed. Also claimed is a valve assembly which comprises a fluid conduit and a valve seat, the valve seat being formed of a different material to the fluid conduit. |
