| 摘要 |
<p>A one-way fluid valve member (10) to be mounted on a valve (12) body having a valve opening (18) surrounded by a valve seat (16). The valve member (10) includes,: a valve closure part (14) to be movably mounted on the body (12) for movement relative thereto between a first position engaging the seat (16) to prevent movement of fluid through the opening (18) in a predetermined direction, and a second position spaced from the seat (16) to allow fluid to pass through the opening (18) in a direction opposite the predetermined direction; and wherein the valve closure part (14) has a convex surface to engage the seat (16) so as to project into the opening (18).</p> |
