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2020-11-08View Original

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Reply #22020-11-08

"La teflon peut également être corrodi, des, certains pompes comprennentent des pompes往复泵或气动泵的隔膜采用不锈钢的泵厂ne ont des diaphragmes en acier inoxydable."

Reply #32020-11-09

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Reply #42020-11-09

"Maintenant,,, pour réaliser des un contrôle des成分监测需要从反应釜抽一小股液体出来再返回反应釜里，系统内的垫片用的是四氟垫用的很好没被腐蚀我们从反应釜抽一小股液体出来再返回反应釜里垫片用很好的四氟垫没有被腐蚀因此选用国产气动隔膜泵结果没运行多久进出口单向阀的四氟球以及四氟隔膜都被腐蚀变小我们以为是国产的质量问题结果换成日本进口的所谓特氟龙的气动隔膜泵也是一样的情况。也想不明白为什么会被腐蚀因为反应釜本体用31304制作能耐腐蚀想着我们的隔膜和单向阀的球用不锈钢应该能解决腐蚀的问题吧但一直没找到有这样的厂家不知各位海友有推荐的厂家吗？"

Reply #52020-11-09

Reply #62020-11-09

"Peute或者使用其他小流量（几升每小时的容积式泵代替？齿轮泵或蠕动泵？"

Reply #72021-01-14

[]"在罐顶往罐底抽液体再返回罐里吸程有个5几米就行本身罐压有404.4MPa"

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