Valve rod with valve lids between bring fall airproof structure, Convenients for valve bring press replacing valve stem packing.

阀杆与阀盖之间带倒密封结构，便于阀门带压更换阀杆填料。

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Based on customers requirement, a packing tightening design may be employed to obtain more reliable stem packing seal, which is loaded by bevelling spring.

根据用户的需要，可以采用碟形弹簧加载的填料压紧机构，使阀杆填料的密封更加可靠。

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Describe the problem of the traditional packing box in field application, and the structure and virtue of auxiliary stripping assembly of stem packing to the question.

阐述了常规阀门填料函在现场应用中存在的问题，以及针对此问题改进设计的填料辅助拆卸装置的结构、特点。

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There was a pilot investigation program, which, among other things, traced a 1904 fruit-decay crisis in California to cuts in the fruit from stem clippers and the fingernails of handlers (and, along the way, introduced modern packing methods industry-wide).

NEWYORKER: Testing, Testing