| 관의호칭 |
외경 |
1.4t |
1.5t |
1.6t |
| m/m |
in |
m/m |
kg/m |
kg/m |
kg/m |
| 12 |
1/2 |
12.7 |
0.390 |
0.414 |
0.438 |
| 15 |
5/8 |
15.9 |
0.501 |
0.533 |
0.564 |
| 19 |
3/4 |
19.1 |
0.611 |
0.651 |
0.690 |
| 22 |
7/8 |
22.2 |
0.718 |
0.766 |
0.818 |
| 25 |
1 |
25.2 |
0.829 |
0.884 |
0.939 |
| 28 |
1⅛ |
28.6 |
0.939 |
1.00 |
1.07 |
| 31 |
1¼ |
31.8 |
1.05 |
1.12 |
1.19 |
| 39 |
1½ |
38.1 |
1.27 |
1.35 |
1.44 |
| 42 |
- |
42.7 |
1.43 |
1.52 |
1.62 |
| 51 |
2 |
50.8 |
1.71 |
1.82 |
1.94 |
| 63 |
2½ |
63.5 |
2.14 |
2.29 |
2.44 |
| 75 |
3 |
76.2 |
2.58 |
2.76 |
2.94 |
|
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