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» Flange & Fitting » ASME B16.9 S/R Elbows
ASME B16.9 S/R Elbows
August 24, 2020
Technical Drawings
Standard drawing of ASME B16.9 90° short radius (S/R) elbows.
The standard short-radius(S/R) elbows of ASME B16.9 are generally furnished in 90°. It makes a much sharper turn than does the long radius elbows. The center-to-end dimension is 1D radius which equals to 1 x NPS in inch unit. Conversely, the S/R elbow creates a rather large pressure drop inside the line and dose not have the smooth flow characteristics the L/R elbow has.
Dimensions
| NPS | O.D mm inch | A mm inch |
|---|---|---|
| 1 | 33.4 1.32 | 25 1.00 |
| 1-1/4 | 42.2 1.66 | 32 1.25 |
| 1-1/2 | 48.3 1.90 | 38 1.50 |
| 2 | 60.3 2.38 | 51 2.00 |
| 2-1/2 | 73.0 2.88 | 64 2.50 |
| 3 | 88.9 3.50 | 76 3.00 |
| 3-1/2 | 101.6 4.00 | 89 3.50 |
| 4 | 114.3 4.50 | 102 4.00 |
| 5 | 141.3 5.56 | 127 5.00 |
| 6 | 168.3 6.62 | 152 6.00 |
| 8 | 219.1 8.62 | 203 8.00 |
| 10 | 273.0 10.75 | 254 10.00 |
| 12 | 323.8 12.75 | 305 12.00 |
| 14 | 355.6 14.00 | 356 14.00 |
| 16 | 406.4 16.00 | 406 16.00 |
| 18 | 457.0 18.00 | 457 18.00 |
| 20 | 508.0 20.00 | 508 20.00 |
| 22 | 559.0 22.00 | 559.0 22.00 |
| 24 | 610.0 24.00 | 610.0 24.00 |
*NPS: Nominal Pipe Size; O.D: Outside Diameter at Bevel; A: Center-to- End.
| ASME B16.9 Butt Welding Fittings | ||
|---|---|---|
| Elbow L/R | Reducing Elbow | Return L/R |
| Elbow S/R | Return S/R | 3D Elbow |
| Tee & Cross | Reducing Tee | Reducing Cross |
| Stub End | Cap | Reducer |
| End Bevel | Tolerance | Wall Thickness |
*Click to view dimensions of other ASME B16.9 standard fittings.
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