摘要 |
<p>The pneumatic directional valve for the switching of a compressed air flow between several external connections installed on a valve housing (1) by means of a valve spool (4) axially movable in a bore (2) in the housing, has at least one control pressure piston (5) which in addition to the movement of the valve spool via a rear section (10) also serves as a shut-off component for a valve seat (11a,11b) for the switching of the compressed air flow.</p> |