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  • 法兰止回阀主要零件材料

    时间:2010-08-22 15:19 作者:皓舜管道 点击:
    法兰止回阀主要采用铸钢材质的阀体,只供防止各路式设备上的介质逆流的单向启闭用,法兰止回阀是靠介质压力而自行开启或关闭的.

               法兰止回阀主要采用铸钢材质的阀体,只供防止各路式设备上的介质逆流的单向启闭用。法兰止回阀是靠介质压力而自行开启或关闭的。法兰止回阀只能竖装,不能横装,旋启止回阀靠介质向阀瓣旋启方向流动为开启,反之则关闭。
    法兰止回阀主要性能规范  
    型号 公称压力
    PN(MPa) 试验压力(MPa) 适用温度(℃) 适用介质
    壳体 密封
    H44H-160 16.0 24.0 16.0 ≤425 水、蒸汽、石油、石油产品等
    H44H-250 25.0 38.0 25.0
    H44Y-200 20.0 30.0 20.0 60 氢油
    H44Y-250 25.0 38.0 25.0 -40~100 油品
    法兰止回阀主要零件材料 
    零件名称 阀体、摇杆 阀瓣、螺母 阀盖 销轴、四开环 螺栓 密封面
    H44H-160 碳素铸钢 碳钢 碳素铸钢 不锈钢 铬钼钢 柔性石墨
    H44H-250 碳钢
    H44Y-200
    H44Y-250 
               法兰止回阀采用一定的材质和原理制作和生产而成,按照相应的设备路线方式进行控制和使用,在具体的使用过程中产生良好的操作贡献。

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