In allusion to the leaking of packing of gate valve,this paper presents technical improvement measures in properly selecting packing material and varying the structure of packing assembly.

• 针对闸阀阀杆填料密封泄漏的问题,提出了正确选择密封填料的材料和改进闸阀填料压盖密封件结构的技术改进措施。