阀门通径与管径尺寸对照表
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责编:小OO
时间:2025-10-02 07:35:41
阀门通径与管径尺寸对照表
(1)管件尺寸与阀门通径及英寸对照表:直径英寸DN通径(mm)管道外径(mm)1/4〃813.73/8"1017.141/2”1521.33/4”2026.71”2533.41.2"3242.21.5"4048.32"5060.32.5"65733"8088.94"100114.35"125141.36"150168.38"200219.110"25027312"300323.814"350355.616"400406.4(2)阀门通径DN(公称直径)对应管子外径①(mm):公称直径(DN)管
导读(1)管件尺寸与阀门通径及英寸对照表:直径英寸DN通径(mm)管道外径(mm)1/4〃813.73/8"1017.141/2”1521.33/4”2026.71”2533.41.2"3242.21.5"4048.32"5060.32.5"65733"8088.94"100114.35"125141.36"150168.38"200219.110"25027312"300323.814"350355.616"400406.4(2)阀门通径DN(公称直径)对应管子外径①(mm):公称直径(DN)管
(1)管件尺寸与阀门通径及英寸对照表:
| 直径英寸 | DN | 通径 (mm) | 管道外径 (mm) |
| 1/4 〃 | 8 | 13.7 |
| 3/8 " | 10 | 17.14 |
| 1/2 ” | 15 | 21.3 |
| 3/4 ” | 20 | 26.7 |
| 1 ” | 25 | 33.4 |
| 1.2" | 32 | 42.2 |
| 1.5" | 40 | 48.3 |
| 2" | 50 | 60.3 |
| 2.5" | 65 | 73 |
| 3" | 80 | 88.9 |
| 4" | 100 | 114.3 |
| 5" | 125 | 141.3 |
| 6" | 150 | 168.3 |
| 8" | 200 | 219.1 |
| 10 " | 250 | 273 |
| 12 " | 300 | 323.8 |
| 14" | 350 | 355.6 |
| 16 " | 400 | 406.4 |
(2)阀门通径DN (公称直径)对应管子外径 ①
(mm ):
| 公称直径(DN ) | 管道外径① (小外径) | 管道外径① (大外径) |
| 15 | 18 | 22 |
| 20 | 25 | 27 |
| 25 | 32 | 34 |
| 32 | 38 | 42 |
| 40 | 45 | 48 |
| 50 | 57 | 60 |
| 65 | 73 | 76 |
| 80 | | |
| 100 | 108 | 114 |
| 125 | 133 | 140 |
| 150 | 159 | 168 |
| 200 | 219 | 219 |
| 250 | 273 | 273 |
| 300 | 324 | 325 |
| 350 | 360 | 377 |
| 400 | 406 | 426 |
| 450 | 457 | 480 |
| 500 | 508 | 530 |
| 600 | 610 | 630 |
| 700 | 720 | |
| 800 | 820 | |
| 900 | 920 | |
| 1000 | 1020 | |
| 1200 | 1220 | |
| 1400 | 1420 | |
| 1600 | 1620 | |
| 1800 | 1820 | |
| 2000 | 2020 | |
阀门通径与管径尺寸对照表
(1)管件尺寸与阀门通径及英寸对照表:直径英寸DN通径(mm)管道外径(mm)1/4〃813.73/8"1017.141/2”1521.33/4”2026.71”2533.41.2"3242.21.5"4048.32"5060.32.5"65733"8088.94"100114.35"125141.36"150168.38"200219.110"25027312"300323.814"350355.616"400406.4(2)阀门通径DN(公称直径)对应管子外径①(mm):公称直径(DN)管