| 摘要 |
<p>The valve comprises a flexible membrane (3) forming a tight wall between a controlled chamber (8) and the inside of a conduit (1). According to the invention the conduit (1) is provided with a side opening (2) having a contour of which the cross-section size L is smaller than the cross-section size D of the conduit and the membrane (3) is held in place by holding means (4, 5) carrying clamping means (7) which exert on the holding means a force transversal to the conduit (1) and outside the latter.</p> |
