• Introducing the sealing principle of fixed ball valve and the calculation of seat sealing force, analyzing the effect of machining error upon sealing property and putting forward improving opinions.

    介绍固定球阀密封原理阀座密封计算分析加工误差对密封性能影响提出改进意见

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  • Generally ball valve's structure divides into the fluctuation ball ball valve and the fixed ball ball valve two kinds.

    一般球阀结构分为浮动球阀固定球球阀

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  • Generally ball valve's structure divides into the fluctuation ball ball valve and the fixed ball ball valve two kinds.

    一般球阀结构分为浮动球阀固定球球阀

    youdao

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