TABLE OF CONTENTS Source for this appendix: Ref. [13].
| Nominal pipe size (in.) | 90 elbows [*] | 90 bends [*] | Tee | |||
|---|---|---|---|---|---|---|
| Short radius, R = 1D | Long radius, R = 1.5D | R = 5D | R = 10D | Flow-through branch | Flow-through | |
| 1 | 4.5 | 3 | 2.5 | 4 | 8 | 3 |
| 2 | 5.25 | 3.5 | 3 | 5 | 11 | 3.5 |
| 2 | 6 | 4 | 3.5 | 6 | 13 | 4 |
| 3 | 7.5 | 5 | 4 | 7.5 | 16 | 5 |
| 4 | 10.5 | 7 | 5.5 | 10 | 20 | 7 |
| 6 | 15 | 10 | 8.5 | 15 | 30 | 10 |
| 8 | 21 | 14 | 11 | 20 | 40 | 1 |
| 10 | 24 | 16 | 14 | 25 | 50 | 16 |
| 12 | 32 | 21 | 16 | 30 | 60 | 21 |
| 14 | 33 | 22 | 19 | 33 | 65 | 22 |
| 16 | 39 | 26 | 21 | 38 | 75 | 26 |
| 18 | 44 | 29 | 24 | 42 | 86 | 29 |
| 20 | 48 | 32 | 27 | 50 | 100 | 32 |
| 24 | 57 | 38 | 32 | 60 | 120 | 38 |
| [*]For 45 elbows and bends, estimate 50% of tabulated values. For 180 returns, double the tabulated values. |
| Nominal pipe size (in.) | Gate fully open | Globe [*]fully open bevel or plug seat | Check | Straight- through cock [1] | Three-way cock [2] | Butterfly fully open | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| | | | Swing | Ball | Straight-through flows | Flow-through branch | ||||
| 1 | 1.75 | 46 | 23 | 18 | 17 | 20 | 2.5 | 6 | 20 | 6 |
| 2 | 2.25 | 60 | 30 | 24 | 22 | 25 | 3.5 | 7.5 | 24 | 8 |
| 2 | 2.75 | 70 | 38 | 30 | 27 | 30 | 4 | 9 | 30 | 10 |
| 3 | 3.5 | 90 | 45 | 38 | 35 | 38 | 5 | 12 | 36 | 12 |
