Nominal Pipe Size | Minimum Length, A | Square Head Plugs | |
---|---|---|---|
Minimum Square Height, B | Minimum Width Flats, C [Note (2)] | ||
1/8 | 10 | 6 | 7.15 |
1/4 | 11 | 6 | 9.55 |
3/8 | 13 | 8 | 11.11 |
1/2 | 14 | 10 | 14.29 |
3/4 | 16 | 11 | 15.88 |
1 | 19 | 13 | 20.64 |
1 1/4 | 21 | 14 | 23.81 |
1 1/2 | 21 | 16 | 28.58 |
2 | 22 | 18 | 33.27 |
2 1/2 | 27 | 19 | 38.10 |
3 | 28 | 21 | 42.86 |
4 | 32 | 25 | 63.50 |