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介绍了截止阀阀瓣球面密封在密封效果、制造工艺和材料选用方面较锥面和平面结构的特点。给出了改进后的几种球面密封结构。
Introduced the globe valve disc ball valve sealing effect, manufacturing process and material selection than the cone and plane structure characteristics. Several improved spherical seal structures are given.