| 摘要 |
The invention relates to a pinch valve for connection between an upstream pipeline and a downstream pipeline, the pinch valve comprising: a valve body (12), an elastomeric sleeve (16) at least partially situated in the valve body having an upper portion and a lower portion, and means (20) for moving the lower sleeve portion to the relatively stationary upper sleeve portion. A method of regulating fluid flow is also disclosed. <IMAGE>
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