| 摘要 |
<p>In a hydraulic valve with a movable core (8), a manual control rod (4) for pulling the movable core in the event of an emergency, comprises a wire made of steel for springs and having a slot-curved end (5) that interacts against a shoulder of the core. The wire is fixed to a ring nut (6) by means of a grubscrew (7).</p> |
