国产激情一区二区三区

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          What are the general requirements for regulating valve placement?
          The author: Time:2020/12/23

            調節閥的安裝位置應滿足P&ID和U&ID的要求。并應靠近與其相關的一次指示儀表,便于在用旁路閥手動操作時能觀察一次儀表。
            并且還要求調節閥應布置在地面或平臺上,且便于操作和檢修。調節閥底距地面或平臺的凈空高度不應小于250mm。對于反裝閥芯的單雙座調節閥,宜在閥體下方留出抽閥芯的空間。調節閥膜頭頂部上方的凈空高度不應小于200mm。調節閥與旁路閥上下布置時應錯開位置,防止旁路閥泄漏介質落在調節閥和便于膜頭拆卸。調節閥應正立垂直安裝于水平管道上,特殊情況下方可水平或傾斜安裝.必要時需要設置支承。介質中含有固體介質的管道上的調節閥應與旁路閥布置在同一平面,或將旁路閥布置在調節閥下方。DN<25mm的調節閥,也可安裝在旁路的上方。同一區域內有較多的調節閥組時,調節閥組的布置形式應一致,并方便操作。

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          国产激情一区二区三区

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