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膠木手輪與調節閥配套使用的優勢

膠木手輪與調節閥配套使用的優勢

  膠木手輪與調節閥配套使用的優勢:

  1、當氣源信號或電信號出現故障時,或者當執行機構的主要元件(如膜片、彈簧、密封件、傳動件等)損壞時,要把自動操作改為手動操作,可采用手輪機構繼續維持調節閥的調節功能。

  2、手輪機構也可用來作為調節閥行程的限位器。當信號壓力為零時,調節閥不是全開就是全關。如果工藝過程要求調節閥有少量的流量,可利用手輪機構來達到目的。

  3、膠木手輪機構可提高調節閥運行的可靠性。

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