The design calculation of the large Oringrubber 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
According to analytical result, gets the high temperature of welding in sealO-ring, judge whether rubberseal is spoiled.
根据分析结果，得出密封槽处的焊接高温，分析橡胶密封圈受到高温损伤的程度。
3
Our leading products are: IVAK brand rotation axis with seal, O-ring, supporting the production of automobile and motorcycle shock absorber rubber parts.