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厂家解读冷凝器橡胶胀管的压力控制标准

人气:241 评论:0 日期:2018-05-15 10:59:28

冷凝器橡胶胀管中,管子仅仅在胀管前的管孔和管子之间间隙范围内扩胀减薄而且减薄量较小,因此不能用机械滚胀控制条件,而是用由加载拉杆的拉力产生的橡胶胀管压力来作为胀管控制 。胀管压力就是管子在橡胶胀管介质的压力下,屈服变形并填满管孔密封沟槽所必需的压力。

 冷凝器胀管头中心有用高强度制造的细长加载拉杆。它承受很高的拉应力。胀管头的关键件是橡胶胀管元件、密封环和辅助密封环。胀管元件采用软橡胶,在两端放置的密封环和辅助密封环是具有特殊形状的耐高压的硬橡胶环或填充四氟环。

In the rubber expansion pipe of the condenser, the tube enlarges and reduces the thinning in the gap between the tube holes and the tubes before the expansion pipe. Therefore, it can not use the mechanical rolling control conditions, but use the rubber bulging pressure produced by the pulling force of the loading rod as the expansion pipe. The expansion pressure is the pressure necessary for the pipe to yield deformation and fill the sealing groove of the pipe hole under the pressure of the rubber expanding medium.

The center of the expansion head of the condenser is useful for the elongated loading rod with high strength. It bears a high tensile stress. The key components of the expansion head are rubber expansion element, sealing ring and auxiliary seal ring. The expansion tube element adopts soft rubber, and the sealing ring and auxiliary seal ring at both ends are special hard rubber rings or filled with tetrafluoroethylene rings.

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