| Size | ID Ø Inch | ID Ø mm | OD Ø Inch | OD Ø mm |
| ND | Inch | mm | Inch | mm |
| 3/4" | 0,87 | 22,22 | 1,375 | 34,92 |
| 1" | 1,06 | 26,99 | 1,563 | 39,69 |
| 1"1/4 | 1,35 | 34,39 | 1,937 | 49,21 |
| 1"1/2 | 1,62 | 41,27 | 2,187 | 55,56 |
| 2" SP | 1,93 | 49 | 2,421 | 61,5 |
| 2" | 2 | 50,8 | 2,625 | 66,67 |
| 2"1/2 SP | 2,37 | 60,32 | 3,125 | 79,37 |
| 2"1/2 | 2,37 | 60,32 | 3,125 | 79,37 |
| 3" SP | 3,03 | 77 | 3,622 | 92 |
| 3" | 2,88 | 73,2 | 3,719 | 94,45 |
| 4" | 4 | 101,6 | 4,874 | 123,8 |