PVC管内外径对照表
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PVC管道的内外径对照表管公称内径DN101520253240506580100125150200250300350400450500600尺寸inch3/81/23/411.251.522.53456810121416182024美标SCH80平均外径最小壁厚21.326.733.442.248.360.37388.9114.3141.3168.3219.1273.1329.9355.06.4457.2508609.63.73.94..95.15.57.17.68.69.51112.715.117.519.121.423.826.230.9美标SCH40平均外径最小壁厚21.326.733.442.248.360.37388.9114.3141.3168.3219.1273.1329.9355.06.4457.2508609.62.772.873.383.563.683.915.165.496.026.557.118.1.2710.3111.112.714.2715.0617.45英标BS350外径17.1521.3526.7533.5542.2548.2560.3588.9114.3140.2168.25219.1273323.85355.5406.4照表BS3505最小壁厚1.31.71.92.22.73.13.95.77.3910.812.615.718.720.523.4国标DIN化工管外径最小壁厚20253240506375901101401602002503153554002.32.83.633.74.75.56.68.110.311.816.618.423.226.129.4日标JISK6741外径最小壁厚182.5223263323.5383.5484604.57.55.91147.11407.51659.62161126713.631816.4