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鋼製平溶接フランジとライニング付き管フランジのシール面の問題

2020-04-14View Original

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フランジのシール面の水線には基準があるのでしょうか。基準とは何ですか?
Reply #22020-04-15
そのフランジの規格には載っています。
Reply #32020-04-21
今の規格では水紋線は必要ないんでしょう!
Reply #42021-03-11
アメリカのウェリバを扱っています。必要でしたらご連絡ください

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