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  • 阀门壳体最小壁厚尺寸要求规范

    铁制旋塞阀最小壳体壁厚

    单位为毫米

    公称尺寸
    DN公称压力PN10PN16PN10PN16灰铸铁球墨铸铁≤2568463279.557408116850912796510138108011159111001316111315016-141620020-1820

    石油、石化及相关工业用的钢制旋启式止回阀、阀门壳体的最小壁厚

    公称尺寸

    DN

    公 称 压 力 PN162025405063100、110150、160250、260420507.98.68.89.39.710.011.215.819.122.4658.79.710.010.711.211.411.918.022.425.4809.410.410.711.411.912.112.719.123.930.210010.311.211.512.212.713.416.021.328.735.815011.911.912.614.616.016.719.126.238.148.520012.712.713.515.917.519.225.431.847.862.025014.214.215.017.519.121.228.736.657.267.630015.316.016.819.120.623.031.842.266.886.635015.916.817.720.522.425.235.146.069.9—40016.417.518.621.823.927.038.152.379.5—45016.918.319.523.025.428.941.457.288.9—50017.619.120.424.326.930.744.563.598.6—60019.620.622.227.030.234.750.873.2114.3—