Hoʻohana nui ʻia ka flange butterfly valve i ka pipeline hana ʻoihana, ʻo kāna hana nui ke ʻoki i ke kahe o ka medium i ka pipeline, a i ʻole hoʻoponopono i ka nui o ka kahe waena i ka pipeline. Hoʻohana nui ʻia ʻo Flange butterfly valve i ka ʻenehana mālama mālama wai, mālama wai, ʻaila, ch...
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