光缆接头筒外形是椭圆型直立式结构设计，筒和底座采用抱箍锁紧固定密封，安装十分方便。
Dome is a vertical type. hoop is used to fix and seal fosc cover and base, and its installation is quite simple.
我们采用的是具备高冲击性结构的共聚物，采用O型弹簧垫圈密封和清洗阀防水设施。
Our high-impact structural co-polymer cases are waterproof with an O-ring seal and purge valve.
阀杆采用V型填料密封结构，V型填料能将填料压盖的压紧力及介质力有效地转化成阀杆的密封力。
V type packing structure has been employed to effectively transform the pushing force of the gland flange and the medium pressure into the sealing force against the stem.
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