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      常見故障

      Common faults

      閥桿升降不靈或開關不動:
      來源:自貢泰威爾閥門制造有限公司 | 作者:市場部 | 發布時間: 1381天前 | 2080 次瀏覽 | 分享到:
      閥桿升降不靈或開關不動:  
      原因:  
      1.冷態時關得太緊受熱后脹死或全開后太緊;  
      2.填料壓得過緊;  
      3.閥桿間隙太小而脹死;  
      4.閥桿與絲母配合過緊,或配合絲扣損壞;  
      5.填料壓蓋壓偏;  
      6.門桿彎曲;  
      7.介質溫度過高,潤滑不良,閥桿嚴重銹蝕  
      處理:  
      1.對閥體加熱后用力緩慢試開或開足并緊時再稍關;  
      2.稍松填料壓蓋后試開;  
      3.適當增大閥桿間隙;  
      4.更換閥桿與絲母;  
      5.重新調整填料壓蓋螺栓;  
      6.校直門桿或進行更換;  
      7.門桿采用純凈石墨粉做潤滑劑  
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