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導壓管的敷設
發布日期:2012-09-11 瀏覽次數:2374

    (1)管路應垂直或傾斜敷設,不得有水平段。
    (2)導壓管傾料度至少為3/100,一般為1/12。
    (3)測量液體時下坡,且在導壓管系統的最高處應安裝集氣瓶,測量氣體時上坡,且在導壓管的最低處應安裝水分離器,當被測介質有可能產生沉淀物析出時,應安裝沉淀器,測量差壓時,兩根導壓管要平行放置。并盡量靠近以使兩導壓管內的介質溫度相等。
    (4)當導壓介質的黏度較大時還要加大傾斜度。
    (5)在測量低壓時,傾斜度還要增大到5/100~10/100。
    (6)導服管在靠近取壓口處應安裝關斷閥,以方便檢修。
    (7)在需要進行現場校驗和經常沖洗導壓管的情況下,應裝三通開關。
 

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