管道直径对照表

管子规格及有关数据

公称直径英 寸外 径近似内径壁 厚相当于无缝管

普厚/加厚

mm＂mm mm mm mm

154分21.2515 2.75/3.2522

206分26.7520 2.75/3.525

251寸33.525 3.25/432

32 1.2寸42.2532 3.25/438

40 1.5寸4840 3.5/4.2545

502寸6050 3.5/4.557

70 2.5寸75.570 3.75/4.576

80388.5804/4.7589

10041141064/5.0108

12551401315/5.5133

150********/5.5159

20082192076219

250102732597273

300123253098435

35014377　9485

40016426　9535

45018478　9590

50020529　9640

60024630　10755

70028720　10860

80032820 975

国际管道尺寸对照表

N.D INCH STANDARD METRIC INCH COPPER PVC 15A1/2"21.720

20A3/4"27.2/28.526

25A1"343028.243032

32A1-1/4"42.73834.593538

40A1-1/2"48.644.540.954548

50A2"60.65754.055560

65A2-1/2"76.376.166.757076

80A3"89.188.979.858589

90A3-1/2"101.6

100A4"114.3108106.27110114 125A5"139.8133131.67140140 150A6"165.2159157.68160165 200A8"216.3219208.48216 250A10"267.4267260.5267 300A12"318.5323.9312.11318 350A14"355.6368363.72

400A16"406.4419414.52

450A18"457.2457.2465.32

500A20"508508516.94 550A22"558.8558567.74 600A24"609.6619619.35 650A26"660.4

700A28"711.2

PE DUCTILE 21.5-22.022 27.0-27.626 34.0-34.734 42.0-42.848 48.0-48.960 60.0-61.176 76.0-77.389 89.0-90.598 114.0-115.9118 140.0-142.3144 165.0-167.6170 216.0-218.8222 267.0-270.1274 318.0-321.3326

378

429

480

532 635