| 摘要 |
<p>The valve (1) has a locking element (8) whose sealing surface (11) is rested on a valve seat (7) in a gas-proof manner, where the locking element interrupts a flow path in a gas-proof manner. A sealing body (13) corresponds to the valve seat is arranged on the sealing surface, and a valve drive (12) and the locking element are formed in such manner that the locking element is rotated from an opening position (O) to an intermediate position. The sealing body is rested on the valve seat in a gas-proof manner, is pressed and moved perpendicular to the valve seat.</p> |
