| 摘要 |
<p>A control element (12) for a fluid flow control device includes a stem (18), a plug (20), and a fastener (22). The stem includes an elongated member with a first end (18a) and a second end (18b). The first end is adapted to be operably coupled to an actuator and the second end including a fastener recess (24) including a plurality of internal threads (38). The plug is disposed adjacent to the second end of the stem. The fastener fixing the plug to the stem includes a threaded portion (64) extending from the plug and engaging the plurality of internal threads of the fastener recess.</p> |
