公称管道口径 | Class(1)125(铸铁)(2)或 Class 150(钢) | Class(3)250(铸铁)(2)或 Class 300(钢) | Class600 | Class900 | Class1500 | Class2500 |
1 | 3.12 | 3.5 | 3.5 | 4 | 4 | 4.25 |
1-1/4 | 3.5 | 3.88 | 3.88 | 4.38 | 4.38 | 5.12 |
1-1/2 | 3.88 | 4.5 | 4.5 | 4.88 | 4.88 | 5.75 |
2 | 4.75 | 5 | 5 | 6.5 | 6.5 | 6.75 |
1-1/2 | 5.5 | 5.88 | 5.88 | 7.5 | 7.5 | 7.75 |
3 | 6 | 6.62 | 6.62 | 7.5 | 8 | 9 |
4 | 7.5 | 7.88 | 8.5 | 9.25 | 9.5 | 10.75 |
5 | 8.5 | 9.25 | 10.5 | 11 | 11.5 | 12.75 |
6 | 9.5 | 10.62 | 11.5 | 12.5 | 12.5 | 14.5 |
8 | 11.75 | 13 | 13.75 | 15.5 | 15.5 | 17.25 |
10 | 14.25 | 15.25 | 17 | 18.5 | 19 | 21.75 |
12 | 17 | 17.75 | 19.25 | 21 | 22.5 | 24.38 |
14 | 18.75 | 20.25 | 20.75 | 22 | 25 | --- |
16 | 21.25 | 22.5 | 23.75 | 24.25 | 27.75 | --- |
18 | 22.75 | 24.75 | 25.75 | 27 | 30.5 | --- |
20 | 25 | 27 | 28.5 | 29.5 | 32.75 | --- |
24 | 29.5 | 32 | 33 | 35.5 | 39 | --- |
30 | 36 | 39.25 | --- | --- | --- | --- |
36 | 42.75 | 46 | --- | --- | --- | --- |
42 | 49.5 | 52.75 | --- | --- | --- | --- |
48 | 56 | 60.75 | --- | --- | --- |
|
1.公称管道尺寸 1 至 12 英寸也适用于 Class 150 铸铜合金法兰。 | ||||||
2.这些直径适用于 1 至 24 英寸的公称管道尺寸的钢质阀门。 | ||||||
3.公称管道尺寸 1 至 8 英寸也适用于 Class 300 铸铜合金法兰。 |
公称管道口径 | Class(1)125(铸铁)(2)或 Class 150(钢) | Class(3)250(铸铁)(2)或 Class 300(钢) | Class600 | Class900 | Class1500 | Class2500 |
1 | 3.12 | 3.5 | 3.5 | 4 | 4 | 4.25 |
1-1/4 | 3.5 | 3.88 | 3.88 | 4.38 | 4.38 | 5.12 |
1-1/2 | 3.88 | 4.5 | 4.5 | 4.88 | 4.88 | 5.75 |
2 | 4.75 | 5 | 5 | 6.5 | 6.5 | 6.75 |
1-1/2 | 5.5 | 5.88 | 5.88 | 7.5 | 7.5 | 7.75 |
3 | 6 | 6.62 | 6.62 | 7.5 | 8 | 9 |
4 | 7.5 | 7.88 | 8.5 | 9.25 | 9.5 | 10.75 |
5 | 8.5 | 9.25 | 10.5 | 11 | 11.5 | 12.75 |
6 | 9.5 | 10.62 | 11.5 | 12.5 | 12.5 | 14.5 |
8 | 11.75 | 13 | 13.75 | 15.5 | 15.5 | 17.25 |
10 | 14.25 | 15.25 | 17 | 18.5 | 19 | 21.75 |
12 | 17 | 17.75 | 19.25 | 21 | 22.5 | 24.38 |
14 | 18.75 | 20.25 | 20.75 | 22 | 25 | --- |
16 | 21.25 | 22.5 | 23.75 | 24.25 | 27.75 | --- |
18 | 22.75 | 24.75 | 25.75 | 27 | 30.5 | --- |
20 | 25 | 27 | 28.5 | 29.5 | 32.75 | --- |
24 | 29.5 | 32 | 33 | 35.5 | 39 | --- |
30 | 36 | 39.25 | --- | --- | --- | --- |
36 | 42.75 | 46 | --- | --- | --- | --- |
42 | 49.5 | 52.75 | --- | --- | --- | --- |
48 | 56 | 60.75 | --- | --- | --- |
|
1.公称管道尺寸 1 至 12 英寸也适用于 Class 150 铸铜合金法兰。 | ||||||
2.这些直径适用于 1 至 24 英寸的公称管道尺寸的钢质阀门。 | ||||||
3.公称管道尺寸 1 至 8 英寸也适用于 Class 300 铸铜合金法兰。 |
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