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直埋式波纹补偿器的安装注意事项

Time：2019/2/27 8:47:39
             直埋式波纹补偿器也叫做：直埋式波纹伸缩器、直埋式波纹膨胀节等。该产品是一种由构成其工作主体的波纹管（一种弹性元件）和端管、支架、法兰、导管等附件组成的。使用过程中其主要用于直埋管道的轴向补偿，具有抗弯能力。
             使用过程中该产品也属于一种补偿元件。利用其工作主体波纹管的有效伸缩变形，以吸收管线、导管、容器等由热胀冷缩等原因而产生的尺寸变化，或补偿管线、导管、容器等的轴向、横向和角向位移。也可用于降噪减振。在现代工业中用途广泛。供热上，为了防止供热管道升温时，由于热伸长或温度应力而引起管道变形或破坏，需要在管道上设置补偿器，以补偿管道的热伸长，从而减小管壁的应力和作用在阀件或支架结构上的作用力。
安装过程中我们需要注意的是：
1、为使直埋式波纹补偿器起到补偿作用，补偿器两端需设固定支架，防止管道受内压推力影响外移拉伸。
2、直埋式波纹补偿器的一端（指单向补偿的直埋式补偿器死端）要靠近一端的固定支架，用补偿器的活头补偿管道。
3、根据直埋式波纹补偿器的补偿量设定两个固定支架的距离，补偿量一般不大于管径。
4、试压过程中以直埋式波纹补偿器不得出现拉伸现象。