| 摘要 |
<p>The valve has actuating coil and actuating armature, located in a housing, which has a cover at one end. The cover has an aperture in the extension of the anchor, to provide access for manual operation of the valve. The cover (4) carries a manual actuator unit (7), with a manually operated bolt (10), projecting axially into the aperture. The unit has a base plate (8), screwed onto the cover, with a guide (9) for the bolt, which passes through an aperture in the base plate. The end of the bolt projecting from the guide carries a hand grip (2).</p> |
