公称尺寸 inch | 公称通径 DN | 国标 A | 国标 B |
---|
1/8""(1 分) | 6 | 10.3(美标) |
|
1/4""(2 分) | 8 | 13.9(美标) |
|
3/8""(3 分) | 10 | 17.1(美标) |
|
1/2""(4 分) | 15 | 21.3 | 14 |
3/4""(6 分) | 20 | 26.9 | 18 |
1"" | 25 | 26.9 | 25 |
1 1/4"" | 32 | 33.7 | 32 |
1 1/2"" | 40 | 42.4 | 38 |
2"" | 50 | 48.3 | 45 |
2 1/2"" | 65 | 60.3 | 57 |
3"" | 80 | 76.1(73) | 76 |
4"" | 100 | 88.9 | 89 |
5"" | 125 | 114.3 | 108 |
6"" | 150 | 139.7 | 133 |
8"" | 200 | 168.3 | 159 |
10"" | 250 | 219.1 | 219 |
12"" | 300 | 273 | 273 |
14"" | 350 | 323.9 | 325 |
16"" | 400 | 355.6 | 377 |
18"" | 450 | 406.4 | 426 |
20"" | 500 | 457.2 | 478 |
22"" | 550 | 508 | 529 |
24"" | 600 | 559 |
|
26"" | 650 | 610 | 630 |
28"" | 700 | 660 |
|
30"" | 750 | 711 | 720 |
32"" | 800 | 762 |
|
34"" | 850 | 813 | 820 |
36"" | 900 | 864 |
|
38"" | 950 | 914 | 920 |
40"" | 1000 | 965 |
|
42"" | 1050 | 1016 | 1020 |
44"" | 1100 | 1067 | 1120 |
46"" | 1150 | 1118 |
|
48"" | 1200 | 1220 | 1220 |