公称内径 |
最小平均内径 |
最小内层壁厚 |
最小层压壁厚 |
最大螺距 |
300 |
294 |
2.5 |
4.0 |
55 |
400 |
392 |
3.0 |
4.5 |
65 |
500 |
490 |
3.5 |
5.0 |
75 |
600 |
588 |
4.0 |
6.0 |
85 |
700 |
673 |
4.0 |
6.0 |
110 |
800 |
785 |
4.5 |
6.5 |
120 |
900 |
885 |
5.0 |
7.0 |
135 |
1000 |
985 |
5.0 |
7.0 |
150 |
1100 |
1085 |
5.0 |
7.0 |
165 |
1200 |
1185 |
5.0 |
7.0 |
180 |
1300 |
1285 |
5.0 |
7.0 |
190 |
1400 |
1385 |
5.0 |
7.0 |
200 |
1500 |
1485 |
5.0 |
7.0 |
210 |
1600 |
1585 |
5.0 |
7.0 |
210 |
1800 |
1785 |
5.0 |
7.0 |
210 |
2000 |
1985 |
6.0 |
8.0 |
210 |