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隔膜閥故障與消除

可能產(chǎn)生的故障                     原因                                       消除方法
手輪操作不靈活                  ①閥桿彎曲                                          ①更換閥桿
 
                                 ②螺紋損傷                                      ②修整螺紋，并加潤滑劑
 

氣動(dòng)隔膜閥不能自動(dòng)啟閉          ①氣源壓力過(guò)低                                      ①調高供氣壓力 
 
                                 ②彈簧頂緊力過(guò)大                                    ②減少彈簧頂緊力
 
                                 ③橡膠隔膜損壞                                      ③更換隔膜

閥體與閥蓋連接處滲漏          ①連接螺栓松動(dòng)                                      ①緊固連接螺栓
 
                                 ②閥體內膠層破裂                              ②更換閥體