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2019-11-25View Original

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Reply #22019-11-26
Translate the following 7 texts from chinese_simplified to spanish.
Reply #32020-01-13
这个还与使用的工况相关,如压力、温度,酸性介质管道一般都是衬胶管道,100度以下用EPDM的,再往上就要用四氟,不过四氟邵氏硬度大,回弹力小,你可以找HG/T20592 垫片章节后面附录里面的推荐厂家咨询。
Reply #42020-01-13
看温度了 四氟的软 温度一高 压力一大就不行了 200度就软了 温度压力高的用石墨缠绕垫片四氟绕一圈
Reply #52020-01-14
看什么酸,无机还是有机酸。塑料管道与金属管道也不一样,还有上面说的温度。
Reply #62020-03-26
具体什么工况啊,操作温度多少,操作压力多少,酸的组成和类别是什么,浓度多少,都不一样,是单一的酸还是混合酸,是氧化性酸,还是非氧化性酸,是无机酸还是有机酸等等,诸如此类的问题一一列举出来才能选型。

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