No. | Noninal diameter | Inches | External diameter | Wall thickness of steel | PTFE lining thickness |
DN | 3/4 | D | S | T | |
1 | 25 | 1 | 32 | 3 | 2.5 |
2 | 32 | 1 1/4 | 38 | 3 | 2.5 |
3 | 40 | 1 1/2 | 45 | 3 | 2.5 |
4 | 50 | 2 | 57 | 3.5 | 3 |
5 | 65 | 2 1/2 | 76 | 4 | 3 |
6 | 80 | 3 | 89 | 4.5 | 3.5 |
7 | 100 | 4 | 108 | 4 | 3.5 |
8 | 125 | 5 | 133 | 4 | 4 |
9 | 150 | 6 | 159 | 4.5 | 4 |
10 | 200 | 8 | 219 | 6.5 | 4.5 |
11 | 250 | 10 | 273 | 6.5 | 5 |
12 | 300 | 12 | 325 | 7.5 | 5 |
13 | 350 | 14 | 377 | 8.5 | 6 |
14 | 400 | 16 | 426 | 8.5 | 6 |
15 | 450 | 18 | 480 | 10 | 6 |
16 | 500 | 20 | 530 | 10 | 6.3 |
17 | 600 | 24 | 630 | 10 | 7 |
18 | 700 | 28 | 762 | 10 | 7 |
19 | 800 | 32 | 864 | 10 | 7 |
20 | 900 | 36 | 972 | 10 | 7 |
21 | 1000 | 40 | 1080 | 10 | 7 |