国产激情一区二区三区

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          Flange straight through valve body structure characteristics
          The author: Time:2020/12/18

                  法蘭直通式閥體是中空、壁薄的殼體零件,多為三通管狀,用于直線管路上。該閥體的進口通道與出口通道同軸,故稱直通式。兩通道端部為圓形法蘭,法蘭上有若干均勻分布的螺栓孔,以便與管路連接。閥體上端亦有法蘭(亦稱中法蘭),用以連接閥蓋。鑲閥座結構的閥體內腔有精度較高的圓柱孔或螺紋孔,堆焊或由本體車出密封面的閥體內腔有精度要求很高的密封面。
                  法蘭直通式是閘閥、截止閥、止回閥、減壓閥及節流閥閥體常用的一種結構形式。這種結構的應用范圍很廣,尺寸從DN50~2000,壓力從PN0.6~32.0。為適應不同的需要,法蘭直通式閥體具有各式各樣的結構形狀。法蘭直通式閥體按其零件的輪廓形狀及加工表面形狀一般可分為三種形式。

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          国产激情一区二区三区

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