管徑mm(inch) | 外徑(mm) | 內徑(mm) |
13(3/8) | 18 | 14 |
16(1/2) | 22 | 18 |
20(3/4) | 26 | 22 |
28(1) | 34 | 28 |
35(1-1/4) | 42 | 35 |
41(1-1/2) | 48 | 41 |
52(2) | 60 | 52 |
65(2-1/2) | 76 | 67 |
80(3) | 89 | 78 |
100(4) | 114 | 100 |
125(5) | 140 | 125 |
150(6) | 165 | 148 |
200(8) | 216 | 195 |
250(10) | 267 | 241 |