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2023-05-27
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2023-05-26
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2023-05-25
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2023-05-24
化工阀门的材质选择
一直以来,腐蚀就是化工设备最头痛的危害之一,稍有不慎,轻则损坏设备,重则造成事故甚至引发灾难。据有关统计,化工设备的破坏约有 60% 是由于腐蚀引起的,因此在化工阀门选型时首先要注意选材的科学性。通常有一种误区,认为不锈钢是...
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2023-05-22
蝶阀密封原理
1.、单偏心密封蝶阀的密封原理 由于在单偏心蝶阀的基础上将蝶板的回转中心(既阀门轴中心)与阀体中心线形成尺寸偏置,使得蝶阀在开启过程中,蝶板的密封面会比单偏心密封蝶阀更快地脱离阀座密封面,蝶板转动至 8°~12° 时,蝶板密封面...
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2023-05-21
平板闸阀的特点和应用
一、用途、性能及特点 平板闸阀是闸阀大家族中的一员,同楔式闸阀一样,它的主要功能是控制管路的通断,而不是调节管路中的介质流量。其优点是流体阻力小,启闭省力,结构长度较短,对管路介质流向不受限制等。缺点是密封副有两个密...
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