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1·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.

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。

2·The Space Shuttle Challenger was destroyed 73 seconds after takeoff due on January 28, 1986 due to a faulty O-ring.

1986年1月28号，挑战者号航空航天飞机因为一个圆形截面环的错误导致在起飞73秒之后爆炸。

3·Theinvestigation showed that low temperatures on the day of the launch caused arubber “O-ring” seal on one of the rocket boosters to fail, which led to a leakof explosive gases.

调查显示，挑战者号发射当日低温，导致火箭推进器上橡胶O行环密封圈失效，进而引起爆炸性气体泄露。

4·There have been two failures: The shuttle Challenger and seven astronauts were lost just after launch in January 1986 due to an O-ring seal leak in a solid rocket booster that led to an explosion.

有两次失败的教训：1986年1月刚刚发射过后，一个固体火箭助推器的O型圈密封泄漏导致的爆炸，使我们失去了挑战者号和7名宇航员。

5·This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.

本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。

6·Describes the leaking of the o ring between inner and outer cylinders of syngas compressor in methanol plant, analyzed the reasons for the leaking, and proposes measures against the leaking.

阐述了甲醇装置合成气压缩机内外缸体间“O”型环的泄漏情况，对泄漏原因进行分析，提出解决措施。

7·Focuses on the double o ring connection, the scene ends meet connections, flanged connections, such as connections and their respective conditions of application and quality control points.

重点论述了双“〇”圈连接、现场糊口连接、法兰连接等连接方式及其各自的适用条件与质量控制要点。

8·Remove the pressed in relief valve seat and seat O-ring.

拆卸压进去的安全阀阀座和阀座o形环。

9·The seats and O-ring lift out of the body.

然后将阀座和O形环从阀体中拉出。

10·Wrap the 'o' Ring in tissue and pull the 'o' Ring through the tissue. This wipes the 'o' Ring clean as it passes through the tissue.

一边用纸巾擦o型圈，一边拉o型圈。这可以让O型圈通过纸巾的时候被擦干净。