| 摘要 |
<p>A valve assembly (10) comprises a conduit having a throughbore (19) and defining a longitudinal axis, a sealing member (20) that is moveable between an open configuration in which the throughbore (19) of the conduit is open, and a sealing configuration in which the sealing member (20) is arranged to substantially obturate the throughbore of the conduit, wherein in the sealing configuration, the sealing member (20) seals the throughbore (19) along a sealing line at least a part of which is angled relative to a direction perpendicular to the axis of the throughbore (19).</p> |
