利用有限元法计算内外壳体的应力，按照串联模式进行旋转密封总成整体可靠度计算。
Finally, after computing the maximum stresses of the inner housing and outer housing with FEM, the total reliability of rotary sealing assembly is calculated according to serial pattern.
标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。
Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'n' seals, stainless steel springs and pressure plates are standard.
旋转动密封装置是旋转控制头轴承总成的关键部件，其性能好坏直接影响旋转控制头的使用寿命。
As the key part of the rotary control head's bearing assembly, the capability of the rotary dynamic seal equipment effects on the using life of the rotary control head.
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