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锥形金属膨胀节：变径管道的位移补偿，别再硬塞通用型了
锥形金属膨胀节：变径管道的位移补偿，别再硬塞通用型了管道从粗变细，或者从细变粗——这种变径位置的热位移补偿，很多人第一反应就是塞个通用型波纹膨胀节上去。结果呢？应力分布不均，波纹偏载，没两年就漏了。唉，这不是设备不行，是选型方向就错了。锥形...
金属膨胀节耐温极限在哪？选对材料才能扛住高温
一、先搞清楚：金属膨胀节到底能扛多少度？很多人上来就问“你们膨胀节耐温多少度”，这个问题其实没法一句话回答。金属膨胀节的耐温能力取决于波纹管材质、结构形式、使用工况三大要素。普通不锈钢（比如304）在氧化性气氛下长期使用温度上限也就800℃...
PTFE金属膨胀节：化工管道腐蚀难题的硬核解法
PTFE金属膨胀节到底是什么？——铁皮包塑料的混血儿说穿了，PTFE金属膨胀节就是咱们站里那几款产品的亲戚——跟“衬四氟金属软管”、“聚四氟乙烯补偿器”本质上是一家人。只不过形态从软管变成了波纹管结构。简单讲：在不锈钢波纹管内壁或外壁衬上一...
异形金属膨胀节：非标设计的难点与选型要点
啥是异形金属膨胀节？为什么常规产品搞不定？异形金属膨胀节，说白了就是那些没法套用标准型号的波纹补偿器。你翻翻手册，通用型波纹膨胀节、轴向型膨胀节这些常规产品，尺寸、波数、法兰都是固定的，只适合直管段、规规矩矩的管道系统。但碰上空间受限的拐角...
Why do you have to beat castables for high temperature expansion joints? If these three pain points are not solved, the equipment will not be used for half a year
How harsh is the working environment of a high temperature expansion joint? The bellows itself can't carry itTell me the...
Broken outer skin of large non-metallic compensator? Please keep this patching guide
Find out how the outer skin is brokenThe outer skin of large non-metallic compensators is damaged for the same reasons: ...
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