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密封垫片有哪些分类?石墨层压垫片是什么材质?

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  • 密封垫片有哪些分类?石墨层压垫片是什么材质?
  • October 29, 2025 by
    Administrator

    密封垫片是一种用于机械、设备、管道等内部的材料,用以防止两个物体之间受到压力、腐蚀和管路自然地热胀冷缩而泄露,起到密封的作用。根据材料的不同,密封垫片有无石棉软密封垫片、金属密封垫片、半金属密封垫片和特殊金属垫片,石墨层压垫片属于无石棉软密封这一类。

    • 无石棉软密封垫片

    无石棉软密封材料包括无石棉压缩纤维板、PTFE材料、耐超高温云母层压材料、石墨层压密封材料等等。石墨层压密封垫片能够耐高温、抗腐蚀,是一种密封性很好的垫片。克林格石墨垫片材料适用于-200°C至460°C的温度范围,能抵抗多种化学品。

    • 金属和半金属密封垫片

    金属垫片通常与石墨等软密封材料相结合,被广泛应用于石油化工等行业。金属具有较高的强度,石墨具有优异的密封性能,两者相结合使其密封性能更加出色。特别适用于高温高压以及腐蚀性较强的介质。克林格有金属波纹垫片、金属缠绕垫片、形接头型垫片、齿形垫、金属环垫、焊唇垫片和换热器挡板密封。

    • 特殊金属垫片

    克林格特殊金属“零泄漏”焊接垫片适用在比较特殊的工况下:危险介质例如有毒,易燃,污染等介质;需要绝对零泄露或最高安全性的地方;以及在某些需要将焊缝打开,并重新焊接的地方。特殊金属挡板密封件T4用于提高管壳式换热器的换热效率,通过完善壳体内径与挡板之间的缝隙,即优化挡板密封,从而提高自身的换热效率。

    克林格产品系列众多,为大多数欧美高端品牌(阀门、压缩机、泵、换热器等)以及欧美化工设备商(如BASF, Covestro, BP, Shell, Dow, TOTAL, Siemens等全球供货商)设计制造低泄漏密封系统。其中,石墨层压垫片等密封件性能出色,被业内一致认可。

    相关推荐:想了解更多关于垫片内容请点击

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