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アセチレン配管のバルブと圧力試験に関する問題

2019-04-02View Original

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最近、アセチレンに関するいくつかの規格を見たのですが、アセチレンの使用圧力が0.15MPa以上から2.5MPaの範囲である場合、使用するバルブや付属品の公称圧力は25MPa以上でなければならず、さらに30MPaの液圧試験と3.5MPaの気密試験も必要だとされています。なぜこれほど高い数値が求められるのでしょうか?

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