Inside diameter maximum | Threaded closure | Wall thickness minimum—Flanged closure | Length maximum | |||
---|---|---|---|---|---|---|
Inches | Cm | Inches | Mm | Inches | Cm | |
2 | 5 | 3/32 | 2.5 | Not less than that prescribed for schedule 40 pipe | 16 | 41 |
6 | 15 | 1/8 | 3.2 | 72 | 183 | |
12 | 30 | 1/4 | 6.5 | 72 | 183 |