| 摘要 |
<p>A cylinder valve includes: a single valve member in the form of a spring loaded shuttle, the spring exerting a pressure on the shuttle in a valve-closing direction; a valve seat against which the valve member bears in its valve-closing position; a guide defining a channel in which the shuttle is able to travel; a stop member able to be translated in the channel into and out of a position in which the stop member holds the valve member in its valve-closing position; and a valve body which is engaged by the guide, the guide being able to be translated into a position in which the shuttle cannot be brought to bear against the valve seat.</p> |
