| 摘要 |
<p>The valve (9) has a valve lower part (10) in which a backlash fluid channel and a main fluid channel run, where the channels are closable by two closing units (14.1, 19), which respectively cooperate with a main valve seat (17) and a backlash valve seat (18). The seats are arranged coaxial to each other with a constructive predetermined distance. The seats flow from main and backlash volume partial streams (12, 13), which are respectively led in main and backlash flow channels (15, 16) which are arranged within the lower part (10).</p> |
