| 摘要 |
<p>The valve has a spindle nut (5), a valve lower part (2), a valve upper part (3), and a spindle (4) arranged in the lower part. A slider (6) is fastened at the spindle nut, and a seal (9) seals the slider only on a side in a flow path, where the side lies behind the slider in a flow direction (F). The seal has an upper, circular main body, from which a support body sticks out in a direction against the flow direction in a pressure pipe.</p> |
