国际管道尺寸对照表

N.D INCH STANDARD METRIC INCH COPPER PVC

PE DUCTILE

15A 1/2" 20A 3/4" 25A 1" 32A 1-1/4" 40A 1-1/2" 50A 2" 65A 2-1/2" 80A 3" 90A 3-1/2" 100A 4" 125A 5" 150A 6" 200A 8" 250A 10" 300A 12" 350A 14" 400A 16" 450A 18" 500A 20" 550A 22" 600A 24" 650A 26" 700A

28"

21.7 27.2/28.5 34.0 30 42.7 38 48.6 44.5 60.6 57.0 76.3 76.1 89.1 88.9 101.6 114.3 108.0 139.8 133.0 165.2 159.0 216.3 219.0 267.4 267.0 318.5 323.9 355.6 368.0 406.4 419.0 457.2 457.2 508.0 508.0 558.8 558.0 609.6 619.0 660.4 711.2

28.24 30 34.59 35 40.95 45 54.05 55 66.75 70 79.85 85 106.27 110 131.67 140 157.68 160 208.48 260.50 312.11 363.72 414.52 465.32 516.94 567.74 619.35

20 21.5-22.0 26 27.0-27.6 32 34.0-34.7 38 42.0-42.8 48 48.0-48.9 60 60.0-61.1 76 76.0-77.3 89 89.0-90.5

114 114.0-115.9 140 140.0-142.3 165 165.0-167.6 216 216.0-218.8 267 267.0-270.1 318 318.0-321.3

22 26 34 48 60 76 89 98 118 144 170 222 274 326 378 429 480 532 635