| 摘要 |
<p>The valve has a sealing unit with an annular support (41) which has an inner seal (47) and outer seal (46) installed in an outer annular groove (44). The support in the region of the outer annular groove is divided into two axially sequential sections (42,43), whereby the first section defines the base (50) of the groove and one groove flank, and the second section defines the other flank of the groove. The outer seal is positioned on an assembly face (57) connected to the first support section and with axial assembly of the support sections is displaced over a ramp surface (58).</p> |
