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阀杆密封填料
[机] valve stem packing
- 阀杆密封填料可采用唇形结构，密封可靠、操作力矩小。
Valve rod seal packing can adopt lip shape structure, Seal up dependable, Operates moment of force small. - 阐述了一种带压可更换阀杆密封填料的暗杆楔式闸阀结构，分析了其工作原理和性能。
The text introduces the structure of replaceable packing with pressure inside screw non rising stem type wedge gate valve, and analyses the process and fuction. - 分析了闸阀阀杆密封填料渗漏的原因，认为主要是阀门经过长时间的运行，阀杆密封填料出现老化和磨损。
Analyzes reasons of sealing packing's leakage in gate valve stem and thinks that it is mainly caused by aging and wearing od valve stem's sealing packing through its long operational period.
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