| 摘要 |
<p>PCT No. PCT/EP86/00336 Sec. 371 Date Jan. 28, 1987 Sec. 102(e) Date Jan. 28, 1987 PCT Filed Jun. 5, 1986 PCT Pub. No. WO86/07400 PCT Pub. Date Dec. 18, 1986.A pipe separator (1) comprising a control valve (7) for actuating a sliding valve (4) is provided. In order to increase the service time of the sliding valve by avoiding an unnecessary switching frequency, a two positions-three directions directional valve acting as a damping element is additionally provided.</p> |
