| 摘要 |
<p>Valve body comprising a plug -shaped closing part (7, 27, 47) with a closing face, and fixing part (11, 51) which surrounds the closing part (7, 27, 47). An extension (8, 28,48) acting as an operating part being fitted closing part (7,27,47) in the direction away from the closing face, wherein said hinged connection to the fixing part (11,51) is designed in such a way that on engagement upon the operating part. The closing part (7,27,47) is the closing part of a vacuum valve and said fixing part (11,51) and/or said connection are provided with opening (6,46( for releasing vacuum.</p> |
