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溶接式バタフライバルブの構造長さは、どの規格を参照すればよいですか?

2019-03-14View Original

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溶接式バタフライバルブの構造長さの基準は何を参照すればよいでしょうか。フランジに関してはAPI 609が参考になりますが、溶接式の場合はどうでしょうか?お兄さん、教えてください
Reply #22019-03-15
私たちはすべてAPI 609の300Lbグレードの長さを使用しています。
Reply #32019-03-15
構造長さは不確定で、各社で異なります。これはメーカーに聞くしかない

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