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How to judge the aging of expansion joints? These are the signs that it's time to change
The expansion joint is a "small part" in the pipeline system, but once it strikes, the whole line has to stop. How to ju...
Pipe cracked by water hammer? Maybe I didn't choose the right expansion joint
Let's tell the truth first. Two days ago, a purchaser from a chemical plant complained to me, saying that their hot wate...
The inner layer of metal expansion joint is not selected correctly, and the pipeline system is wasting money
Two days ago, I met a cement factory purchaser, and complained to me that the expansion joint they just changed took les...
金属膨胀节组成拆解：波纹管、端管、导流筒…到底各有什么用？
先聊点实在的：金属膨胀节到底由哪几块拼起来的？别被那些花里胡哨的名词唬住，核心就这几个件——波纹管、端管、导流筒、拉杆螺栓。但每一种组合方式，背后对应的是完全不同的工况逻辑。比如同样是波纹管，电站行业用的高温轴向型膨胀节和水泥行业用的水泥行...
金属膨胀节到底能干啥？从三大核心功能看它在工业管道中的价值
一、吸收热位移：金属膨胀节最根本的使命管道这东西，说白了就是热胀冷缩的受害者。蒸汽管道一升温，几十米的管子能伸长好几厘米，要是硬扛着不给它空间，管道接口崩了、设备变形了都是家常便饭。金属膨胀节的核心使命就是干这个——把热位移吃进去。波纹管在...
金属膨胀节装在哪？搞错位置直接报废（附各工况布置指南）
位置选不对，膨胀节等于白装——从热位移看安装逻辑金属膨胀节说白了就是个“软骨头”，专门用来吸收管道热胀冷缩产生的位移。但很多人只盯着选型，却忽略了最关键的一环——金属膨胀节位置。位置搞错了，哪怕你用的是最好的通用型波纹膨胀节，该裂还是裂，该...
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