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阀导杆 [fá dǎo gǎn]
valve-stem guide
- 长寿命导杆：阀杆契形特氟隆（PTEE）密封，避免赃物导入。
long-life guide: Lease stem-shaped Teflon (PTEE) sealed to avoid the import of stolen goods. - 定期检查吸入、呼出阀盘动作是否灵活，导杆及阀盘接触密封面有无损坏，如有损坏应立即更换。
Regularly check whether actions of inhalation, exhalation discs are flexible, and the sealing contact surface of leader and disc is damaged, if so, should be replaced immediately. - 手动执行器轴是单导短梯形螺纹。执行器阀盖阀杆连接是螺纹开口块联轴节，并采用螺栓连接在一起。
Manual actuator stems are single load stub acme threads. The actuator bonnet stem connection is a threaded split block coupling that is bolted together.
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