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1、镀锌或非镀锌焊接钢管外径壁厚（mm） 公称直丨.一丨一丨一丨一丨丨一丨一丨丨一亠丨一公称直径DN1520253240506580100125150外径21.326.833.542.348.060.075.588.5114140165.0壁厚5 12.752.753.253.253.53.53.754.04.04.04.5铸铁排水管管径及壁厚（mm）DND1壁厚理论重量（Kg）T公差L=1500L=300050614.3-0.78.316.575864.4-0.712.224.41001114.8-0.717.334.61251374.8-1.021.643.11501624.8-1.025.6
2、51.22002145.8-1.04181.92502686.4-1.256.8113.63003187.0-1.274148排水硬聚氯乙烯管外径及壁厚(mm)公称外径DN (mm)平均外径(mm)极限偏差壁厚(mm)基本尺寸极限偏差40+0.3 -02.0+0.4 -050+0.3 -02.0+0.4 -075+0.3 -02.3+0.4 -090+0.3 -03.2+0.6 -0110+0.4 -03.2+0.6 -0125+0.4 -03.2+0.6 -0160+0.5 -04.0+0.6 -0螺纹连接管件旋入长度公称直径mm旋入扭矩管钳规格（mm）X施加的力（KN）长度mm牙数N?m1
3、5116.06.540350X 0.1520136.57.060350X 0.2525156.06.5100450X 0.3032177.07.5120450X 0.3540187.07.5150600X 0.350209.09.5200600X 0.40652310.010.5250900X 0.35802711.512.0300900X 0.401003313.514.04001000X 0.501253515.016.05001000X 0.601503515.016.06001000 X 0.70PPR管材(GB/T18742.2-2002)单位：mm工程平均外径S5S4S3.2S2.5外径D.minD.max公称壁厚en2020.020.32.02.32.83.42525.025.32.32.83.54.23232.032.32.93.64.45.44040.040.43.74.55.56.75050.050.24.65.66.98.36363.063.55.87.18.610.57575.075.76.87.410.312.59090.090.98.210.112.315.0110110.0111.010.012.315.118.3