用一个O形环密封安全阀阀体与主外壳。
这种止回阀应该是模块化的，并且应该采用一个O形环密封在主阀体上。
The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.
从阀杆上的阀杆O形环密封开始，然后在手柄安装在阀杆上后，将其压进手柄的位置上。
Start stem O-ring seal over stem, then press into position as handle is pressed down over stem.
组件提供多种连接方式备选。适配器采用O形环密封，易于连接到螺纹阀门上。完整的组件包括。
Kit allows multiple connection options. Adapters use O-ring seals for easy connection to threaded valve. Complete Kit includes.
介绍真空设备法兰采用大直径O形环橡胶自紧式密封（不用螺栓和螺母）的设计计算及其应用效果。
The design calculation of the large O ring rubber self energized seal (without bolt and nut )used for the vacuum equipment and its application results are introduced.
在机床上，阀座密封环逐渐起波纹，并将O形环束缚在里面。
Seat ring is progressively crimped on a lathe to imprison the O-ring in it.
椎环、弹簧、弹簧座以及卡环，辅助密封圈有“O”形橡胶圈和PTFE楔形环，静环材料都为石墨(M106K)。
Vertebral ring, spring, spring seat and clasp, auxiliary seals have "o" shaped rubber ring and PTFE wedge ring, quiet ring for graphite materials (M106K).
双重柔性金属O形环阀座具有静止和动态密封性能，确保符合防火规则要求。
A double flexible metallic O-Ring seat provides a (1) static and (2) dynamic seal and assures compliance to fire-safe specifications.
为解决反应釜密封泄漏问题，研制了新型类c形密封环。
To solve the problem of leakage of reaction vessel, a new C-ring for the sealing of the reaction vessel is developed.
维修组件饱含：1件-柔性密封衬垫阀座，1件-铰柱，2件-阀瓣板，2件-阀瓣盖，1件-柱带，2件-阀座柱O形环和塑料总成螺丝。
Repair Kit Contains: 1-Flex Seal Gasket Seat, 1-Hinge Post, 2-Flapper Plates, 2-Flapper Covers, 1-Post Strip, 2-Seat Post O-Rings &Plastic Assembly Screws.
维修组件饱含：1件-柔性密封衬垫阀座，1件-铰柱，2件-阀瓣板，2件-阀瓣盖，1件-柱带，2件-阀座柱O形环和塑料总成螺丝。
Repair Kit Contains: 1-Flex Seal Gasket Seat, 1-Hinge Post, 2-Flapper Plates, 2-Flapper Covers, 1-Post Strip, 2-Seat Post O-Rings &Plastic Assembly Screws.
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