["Eine waagrechte Schwenkflap-Tür阀体在低压状态下内部频繁发出敲击声",

2020-01-22View Original

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"Esist ein pneumatisch gesteuertes waagrechte Schwenkflap-Tür（带有弹簧的），，该阀门在进行静压试验时无泄漏。在现场系统运行时压力低于150bar，阀体内部频繁发出敲击声，敲击声频率很高（该现象持续一段时间会消失，但后续仍会出现）。各位海友一起讨论一下出现这种现象的原因是什么呢？",

Reply #22020-01-23

"Ein pneumatisch gesteuertes waagrechte Schwenkflap-Tür（带有弹簧的）,，你说的这个阀门是叫‘蝶式止回阀’吧？如果是止回阀，应该是当流量在最低波动时产生的阀瓣开闭产生的声音。属正常状态。当遇有停产检修，这类阀门需要下一次检查的。这只是猜测，供参考。",

Reply #32020-01-29

"是液体介质吗？可能内部有紊流，闸板露出通道太多，产生的颤振"

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