| 摘要 |
<p>Setting device for a valve (5b) for the manual control of the position of a valve body. The handle portion (19) of the setting device is provided with two wing portions (24, 25) extending in opposite circumferential directions radially outside a central portion (20) of the handle portion. The handle portion can be man÷uvred by means of a screw driver or the like, even in narrow spaces.</p> |
