If necessary, the stem and stem seal may be removed from the bonnet by removing the retainer ring and handle and screwing the stem out the under-side of the bonnet.

 
  • 如果必要的话,阀杆和阀杆密封可能要从阀帽上拆卸下来,要在阀帽的下方先拆卸挡圈和手柄,以及阀座上的螺丝。
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