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配管の試験圧力70MPaでのねじ接続は信頼できますか?

2020-04-10View Original

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76×18の管において、試験用ポンプのホース接続部はM20×1.5で、配管の圧力試験用接続口はNPT1/2"です。その間に変換アダプターを挿入するのですが、このねじ接続で問題ありませんか?
Reply #22020-04-13
圧力計と圧力計の接続部はねじ接続じゃないですか?
Reply #32020-04-19
可能ですが、溶接はもう少し確実に行った方が良いでしょう。結局のところ、70MPa、DN40の管ですから、DN25やDN20といった小さな管の方が耐圧性は高くなります

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