| DN | NPS | 外径 (mm) | 短半径 (mm) | 长半径 (mm) |
|---|---|---|---|---|
| 15 | 1/2" | 21.30 | 18.67 | 28.00 |
| 20 | 3/4" | 26.90 | 19.33 | 29.00 |
| 25 | 1" | 30.00 | 22.33 | 33.50 |
| 25 | 1" | 33.40 | 25.40 | 38.10 |
| 25 | 1" | 33.70 | 25.40 | 38.10 |
| 32 | 1 1/4" | 38.00 | 30.00 | 45.00 |
| 32 | 1 1/4" | 42.16 | 32.00 | 48.00 |
| 32 | 1 1/4" | 42.40 | 32.00 | 48.00 |
| 40 | 1 1/2" | 44.50 | 34.00 | 51.00 |
| 40 | 1 1/2" | 48.26 | 38.10 | 57.15 |
| 40 | 1 1/2" | 48.30 | 38.10 | 57.15 |
| 50 | 2" | 57.00 | 48.00 | 72.00 |
| 50 | 2" | 60.30 | 50.67 | 76.00 |
| 50 | 2" | 63.50 | 55.00 | 82.50 |
| 65 | 2 1/2" | 70.00 | 61.33 | 92.00 |
| 65 | 2 1/2" | 73.03 | 63.50 | 95.25 |
| 65 | 2 1/2" | 76.10 | 63.50 | 95.25 |
| 80 | 3" | 82.50 | 71.67 | 107.50 |
| 80 | 3" | 88.90 | 76.20 | 114.30 |
| 90 | 3 1/2" | 101.60 | 88.90 | 133.35 |
| 100 | 4" | 104.00 | 100.00 | 150.00 |
| 100 | 4" | 108.00 | 95.00 | 142.50 |
| 100 | 4" | 114.30 | 101.60 | 152.40 |
| 125 | 5" | 127.00 | 116.67 | 175.00 |
| 125 | 5" | 133.00 | 120.67 | 181.00 |
| 125 | 5" | 139.70 | 127.00 | 190.50 |
| 125 | 5" | 141.30 | 127.00 | 190.50 |
| 150 | 6" | 152.40 | 143.33 | 215.00 |
| 150 | 6" | 154.00 | 150.00 | 225.00 |
| 150 | 6" | 165.10 | 153.33 | 230.00 |
| 150 | 6" | 159.00 | 144.00 | 216.00 |
| 150 | 6" | 168.30 | 152.40 | 228.60 |
| 200 | 8" | 204.00 | 200.00 | 300.00 |
| 200 | 8" | 219.10 | 203.20 | 304.80 |
| 250 | 10" | 267.00 | 252.00 | 378.00 |
| 250 | 10" | 273.00 | 254.00 | 381.00 |
| 300 | 12" | 318.00 | 303.33 | 455.00 |
| 300 | 12" | 323.90 | 303.33 | 455.00 |
| 350 | 14" | 355.60 | 355.60 | 533.40 |
| 350 | 14" | 368.00 | 355.67 | 533.50 |
| 400 | 16" | 406.40 | 406.40 | 609.60 |
| 400 | 16" | 419.00 | 406.33 | 609.50 |
| 450 | 18" | 457.20 | 457.20 | 685.80 |
| 450 | 18" | 457.00 | 457.33 | 686.00 |
| 500 | 20" | 508.00 | 508.00 | 762.00 |
| 500 | 20" | 521.00 | 498.33 | 747.50 |
| 550 | 22" | 558.80 | 558.80 | 838.20 |
| 600 | 24" | 609.60 | 609.60 | 914.40 |
| 650 | 26" | 660.40 | 660.40 | 990.60 |
| 700 | 28" | 711.20 | 711.20 | 1,066.80 |
| 750 | 30" | 762.00 | 762.00 | 1,143.00 |
| 800 | 32" | 812.80 | 812.80 | 1,219.20 |
| 850 | 34" | 863.60 | 863.60 | 1,295.40 |
| 900 | 36" | 914.40 | 914.40 | 1,371.60 |
| 950 | 38" | 965.20 | 965.20 | 1,447.80 |
| 1000 | 40" | 1,016.00 | 1,016.00 | 1,524.00 |
| 1050 | 42" | 1,067.00 | 1,067.00 | 1,600.00 |
| 1100 | 44" | 1,118.00 | 1,118.00 | 1,676.00 |
| 1150 | 46" | 1,168.00 | 1,168.00 | 1,753.00 |
| 1200 | 48" | 1,219.00 | 1,219.00 | 1,829.00 |
| 1300 | 52" | 1,321.00 | 1,321.00 | 1,981.00 |
| 1400 | 56" | 1,422.00 | 1,420.00 | 2,134.00 |
| 1500 | 60" | 1,524.00 | 1,524.00 | 2,286.00 |
| 1600 | 64" | 1,620.00 | 1,620.00 | 2,438.00 |
| 1700 | 68" | 1,727.00 | 1,727.00 | 2,591.00 |
| 1800 | 72" | 1,820.00 | 1,827.00 | 2,743.00 |
| 2000 | 80" | 2,020.00 | 2,032.00 | 3,048.00 |
※ 以上数据涵盖多种标准（GB/T 12459、ASME B16.9等），实际选用请以工程规范为准。