1、A系列 B系列 Sch5s Sch10s Sch20s Sch20 Sch30 Sch40 Sch60 Sch80 Sch100 Sch120 Sch140 Sch16015 21.3 18 1.6 2.1 2.6 - - 2.9 - 3.6 - - - 4.520 26.9 25 1.6 2.1 2.6 - - 2.9 - 4.0 - - - 5.625 33.7 32 1.6 2.8 3.2 - - 3.2 - 4.5 - - - 6.332 42.4 38 1.6 2.8 3.3 - - 3.6 - 5.0 - - - 6.340 48.3 45 1.6 2.8 3.3 - - 3.6
2、- 5.6 - - - 7.150 60.3 57 1.8 2.8 3.6 3.2 - 4.0 - 5.6 - - - 8.865 76.1(73) 76 2.0 3.0 3.6 4.5 - 5.0 - 7.1 - - - 10.080 88.9 89 2.0 3.0 4.0 4.5 - 5.6 - 8.0 - - - 11.090 101.6 103 2.0 3.0 4.0 4.5 - 5.6 - 8.0 - - - 12.5100 114.3 108 2.0 3.0 4.0 5.0 - 5.9 - 8.8 - 11.0 - 14.2125 139.7 133 2.9 3.4 5.0 5.0
3、 - 6.3 - 10.0 - 12.5 - 16.0150 168.3 159 2.9 3.4 5.0 5.6 - 7.1 - 11.0 - 14.2 - 17.5200 219.1 219 2.9 4.0 6.3 5.6 7.1 8.0 10.0 12.5 16.0 17.5 20.0 22.2250 273.0 273 3.6 4.0 6.3 5.6 8.0 8.8 12.5 16.0 17.5 22.2 25.0 28.0300 323.9 325 4.0 4.5 6.3 5.6 8.8 10.0 14.2 17.5 22.2 25.0 28.0 32.0350 355.6 377 4.0 5.0 - 8.0 10.0 11.0 15.0 20.0 25.0 28.0 30.0 36.0400 406.4 426 4.0 5.0 - 8.0 10.0 12.5 17.5 22.2 28.0 30.0 36.0 40.0450 457.0 478 4.0 5.0 - 8.0 11.0 14.2 20.0 25.0 30.0 36.0 40.0 45.0500 506.0 529 5.0 5.6 - 11.0 12.5 16.0 25.0 28.0 32.0 40.0 45.0 50.0公称通径DN外 径 公 称 壁 厚钢制无缝管件壁厚分级表
