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  • 软密封闸阀的结构和材料的要求

    作者:众智阀门 发布时间:2015-05-30
    内容摘要:阀门密封按密封面是否接触分为接触密封和非接触密封,靠密封力使密封面相互靠紧、接触并嵌入以减小或消除间隙的各类密封称为接触密封;密封面间预留固定的装配间隙,无需密封力压紧密封面的各类密封为非接触密封。...

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