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.
XM31A型机械密封为单端面、多弹簧非平衡型结构。采用传动螺钉传动。
Mechanical seal type XM31A has a single seal face and multi-spring unbalanced structure, and is driven by screw transmission.
XM31A型机械密封为单端面、多弹簧非平衡型结构。采用传动螺钉传动。
Mechanical seal type XM31A has a single seal face and multi-spring unbalanced structure, and is driven by screw transmission.
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