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2018-11-08View Original

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Reply #22018-11-08
Translate the following texts from chinese_simplified to french. Return ONLY a valid json array of translated strings in the same order. No markdown formatting,
Reply #32018-11-08
同意楼上版主说法,比如使用橡胶垫等的时候,效果就会比较好,四氟垫差别不大:lol
Reply #42018-11-08
ASME B16.5上有这个要求,必须带水线。 搜一下历史帖吧!
Reply #52018-11-08
找到了个帖子,https://bbs.hcbbs.com/thread-359362-1-1.html,标准中规定的是细螺旋线,要求一定粗糙度,不是常见的倒三角的环形槽
Reply #62018-11-08
水线或水纹线可以达到更好的密封效果
Reply #72018-11-08
标准上写的是同心圆或螺旋线
Reply #82018-11-13
槽形的水线通常只用在低压的法兰上,水介质法兰上比较多,化工工艺管线法兰带水线较少,因为化工法兰一般用金属缠绕垫或更高级的垫片,这些垫片用在水线法兰上如果安装偏心会导致渗漏。

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