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上開き式・下開き式の排出弁と、内開き式・外開き式の排出弁は同じ概念ですか?

2018-09-25View Original

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外展式は上展式と同じと考えてよいですか?解く
Reply #22018-09-25
装置の底部にある排出バルブで、バルブの下は装置の外部です。下展と外展は同じ意味だと思われます。
Reply #32018-09-26
同じものでしょう、原理はどちらも装置の底部から接続管までの部分に堆積物が固まるのを防ぐためです
Reply #42018-09-29
規格を読んでみてください。そこには、HG T 3217-2016「ガラス張りの上部展開型排出弁」、HG T 3218-2016「ガラス張りの下部展開型排出弁」という記載があります

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