The following applies to all types of material approved for potable water distribution:
Equivalent Feet of Pipe for Various Pipe Sizes | ||||||||
Valve or Fitting | 1/2" | 3/4" | 1" | 11/4" | 1 1/2" | 2" | 2 1/2" | 3" |
45° ell (wrought) | 0.5 | 0.5 | 1.0 | 1.0 | 2.0 | 2.0 | 3.0 | 4.0 |
90° ell (wrought) | 0.5 | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.0 | 3.0 |
Tee, Run (wrought) | 0.5 | 0.5 | 0.5 | 0.5 | 1.0 | 1.0 | 2.0 | - |
Tee, Branch (wrought) | 1.0 | 2.0 | 3.0 | 4.0 | 5.0 | 7.0 | 9.0 | - |
45° ell (cast) | 0.5 | 1.0 | 2.0 | 2.0 | 3.0 | 5.0 | 8.0 | 11.0 |
90° ell (cast) | 1.0 | 2.0 | 4.0 | 5.0 | 8.0 | 11.0 | 14.0 | 18.0 |
Tee, Run (cast) | 0.5 | 0.5 | 0.5 | 1.5 | 1.0 | 2.0 | 2.0 | 2.0 |
Tee, Branch (cast) | 2.0 | 3.0 | 5.0 | 7.0 | 9.0 | 12.0 | 16.0 | 20.0 |
Compression Stop | 13.0 | 21.0 | 30.0 | - | - | - | - | - |
Globe Valve | - | - | - | 53.0 | 66.0 | 90.0 | - | - |
Gate Valve | - | - | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.0 |
Ill. Admin. Code tit. 77, pt. 890, subpt. M, app A, tbl. Q