| 摘要 |
Arranged in the valve body (1) of a full-bore valve is a flexible hose piece (2) which is compressed to a greater or lesser extent by pressure-operated pins (11 and 12) via two mutually opposite jaws (13, 14) integral with them, it being possible to effect continuous throttling of the flow medium in a range from 0% (no throttling) to 100% (complete shut-off). <IMAGE>
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