Equivalent Length Chart
Equivalent Lengths Listed in Feet
Standard
Tee Standard
Pipe ID Standard Through Tee Side Union/ Check Selector
Pipe Siz
e (Inches) 90
° Elbow* Run Branch Coupling V
alves V
alves
1/4 SCH 40 0.364 0.9 0.6 1.8 0.2 — —
3/8 SCH 40 0.493 1.2 0.8 2.5 0.2 — —
1/2 SCH 40 0.622 1.6 1.0 3.1 0.3 24 3.6
3/4 SCH 40 0.824 2.1 1.4 4.1 0.3 42 10.5
1 SCH 40 1.049 2.6 1.7 5.2 0.4 — 15.0
1 1/4 SCH 40 1.38 3.5 2.3 6.9 0.6 — 22.0
1 1/2 SCH 40 1.61 4.0 2.7 8.1 0.7 — 31.5
2 SCH 40 2.067 5.2 3.4 10.3 0.9 — 92.0**
2 1/2 SCH 40 2.469 6.2 4.1 12.3 1.0 — 58.0
3 SCH 40 3.068 7.7 5.1 15.3 1.3 — 102.0
4 SCH 40 4.026 10.1 6.7 20.1 1.7 — 142.0
5 SCH 40 5.047 12.6 8.4 25.2 2.1 — —
6 SCH 40 6.065 15.2 10.1 30.3 2.5 — —
8 SCH 40 7.981 20.0 13.3 39.9 3.3 — —
1/2 SCH 80 0.546 1.4 0.9 2.7 0.2 12 1.9
3/4 SCH 80 0.742 1.9 1.2 3.7 0.3 24 6.4
1 SCH 80 0.957 2.4 1.6 4.8 0.4 28 10.4
1 1/4 SCH 80 1.278 3.2 2.1 6.4 0.5 43 16.2
1 1/2 SCH 80 1.5 3.8 2.5 7.5 0.6 51 22.4
2 SCH 80 1.939 4.8 3.2 9.7 0.8 48 67.4***
2 1/2 SCH 80 2.323 5.8 3.9 11.6 1.0 60 43.0
3 SCH 80 2.9 7.3 4.8 14.5 1.2 154 78.0
4 SCH 80 3.826 9.6 6.4 19.1 1.6 — 111.0
5 SCH 80 4.813 12.0 8.0 24.1 2.0 — —
6 SCH 80 5.761 14.4 9.6 28.8 2.4 — —
8 SCH 80 7.625 19.1 12.7 38.1 3.2 — —
1/2 160T 0.466 1.2 0.8 2.3 0.2 — —
3/4 160T 0.612 1.5 1.0 3.1 0.3 — —
1 160T 0.815 2.0 1.4 4.1 0.3 — —
1 1/4 160T 1.16 2.9 1.9 5.8 0.5 — —
1 1/2 160T 1.338 3.3 2.2 6.7 0.6 — —
2 160T 1.687 4.2 2.8 8.4 0.7 — —
2 1/2 160T 2.125 5.3 3.5 10.6 0.9 — —
3 160T 2.624 6.6 4.4 13.1 1.1 — —
4 160T 3.438 8.6 5.7 17.2 1.4 — —
5 160T 4.313 10.8 7.2 21.6 1.8 — —
6 160T 5.187 13.0 8.6 25.9 2.2 — —
8 160T 6.813 17.0 11.4 34.1 2.8 — —
NOTE: Reference Crane Flow of Fluids, 1957, Page A-30
* Equivalent length for 45° elbow is equal to 1/2 the equivalent length stated for 90° elbow.
** 2 in. flanged selector valve equivalent length is 21.9 ft.
*** 2 in. flanged selector valve equivalent length is 17.0 ft.
SECTION V
UL EX-4510 12-1-01 Page 5-26
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