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ASME B16.11 SW & THD Tee
November 24, 2021
Technical Drawing
Technical drawing of ASME B16.11 forged tee with socket welding ends. A: center-to-bottom of socket; B: socket bore diameter; C: socket wall thickness; D: bore diameter of tee; J: socket depth; G: body wall thickness.
ASME B16.11 forged tee with threaded ends. A: center-to-end of tee; H: outside diameter of band; G: minimum wall thickness; B: minimum length of perfect thread; L2: effective length of external thread.
Similar to the butt welding tee, ASME B16.11 forged tee is a three-way fitting used to make perpendicular connections to the pipe. The three outlets of the forged tee may be furnished with either socket welding (SW) end or threaded (THD) end. The forged tees can be further classified as straight type (all three outlets are the same pipe size) or reducing type (branch outlet is a smaller pipe size). ASME B16.11 SW tees are available in pressure rating Class 3000, 6000, and 9000; ASME B16.11 THD tees are available in pressure rating Class 2000, 3000, and 6000.
| ASME B16.11 Forged Fittings (SW & THD) | ||
|---|---|---|
| 90° Elbow | 45° Elbow | Cross |
| Tee | Coupling | Half Coupling |
| Boss | Cap | Couplet |
| Street Elbow* | Plug* | Bushing* |
Dimensions of ASME B16.11 SW Tee
| NPS | B max. | B min. | A 3000# | A 6000# | A 9000# |
|---|---|---|---|---|---|
| 1/8" | 11.2 | 10.8 | 11.0 | 11.0 | - |
| 1/4" | 14.6 | 14.2 | 11.0 | 13.5 | - |
| 3/8" | 18.0 | 17.6 | 13.5 | 15.5 | - |
| 1/2" | 22.2 | 21.8 | 15.5 | 19.0 | 25.5 |
| 3/4" | 27.6 | 27.2 | 19.0 | 22.5 | 28.5 |
| 1" | 34.3 | 33.9 | 22.5 | 27.0 | 32.0 |
| 1-1/4" | 43.1 | 42.7 | 27.0 | 32.0 | 35.0 |
| 1-1/2" | 49.2 | 48.8 | 32.0 | 38.0 | 38.0 |
| 2" | 61.7 | 61.2 | 38.0 | 41.0 | 54.0 |
| 2-1/2" | 74.4 | 73.9 | 41.0 | - | - |
| 3" | 90.3 | 89.8 | 57.0 | - | - |
| 4" | 115.7 | 115.2 | 66.5 | - | - |
| NPS | G 3000# min. | G 6000# min. | G 9000# min. | J min. |
|---|---|---|---|---|
| 1/8" | 2.41 | 3.15 | - | 9.5 |
| 1/4" | 3.02 | 3.68 | - | 9.5 |
| 3/8" | 3.20 | 4.01 | - | 9.5 |
| 1/2" | 3.73 | 4.78 | 7.47 | 9.5 |
| 3/4" | 3.91 | 5.56 | 7.82 | 12.5 |
| 1" | 4.55 | 6.35 | 9.09 | 12.5 |
| 1-1/4" | 4.85 | 6.35 | 9.70 | 12.5 |
| 1-1/2" | 5.08 | 7.14 | 10.15 | 12.5 |
| 2" | 5.54 | 8.74 | 11.07 | 16.0 |
| 2-1/2" | 7.01 | - | - | 16.0 |
| 3" | 7.62 | - | - | 16.0 |
| 4" | 8.56 | - | - | 19.0 |
| NPS | 3000# | 6000# | 9000# | |||
| D max. | D min. | D max. | D min. | D max. | D min. |
|
| 1/8" | 7.6 | 6.1 | 4.8 | 3.2 | - | - |
| 1/4" | 10.0 | 8.5 | 7.1 | 5.6 | - | - |
| 3/8" | 13.3 | 11.8 | 9.9 | 8.4 | - | - |
| 1/2" | 16.6 | 15.0 | 12.5 | 11.0 | 7.2 | 5.6 |
| 3/4" | 21.7 | 20.2 | 16.3 | 14.8 | 11.8 | 10.3 |
| 1" | 27.4 | 25.9 | 21.5 | 19.9 | 16.0 | 14.4 |
| 1-1/4" | 35.8 | 34.3 | 30.2 | 28.7 | 23.5 | 22.2 |
| 1-1/2" | 41.6 | 40.1 | 34.7 | 33.2 | 28.7 | 27.2 |
| 2" | 53.3 | 51.7 | 43.6 | 42.1 | 38.9 | 37.4 |
| 2-1/2" | 64.2 | 61.2 | - | - | - | - |
| 3" | 79.4 | 76.4 | - | - | - | - |
| 4" | 103.8 | 100.7 | - | - | - | - |
| NPS | 3000# | 6000# | 9000# | |||
| C max. | C min. | C max. | C min. | C max. | C min. |
|
| 1/8" | 3.18 | 3.18 | 3.96 | 3.43 | - | - |
| 1/4" | 3.78 | 3.30 | 4.60 | 4.01 | - | - |
| 3/8" | 4.01 | 3.50 | 5.03 | 4.37 | - | - |
| 1/2" | 4.67 | 4.09 | 5.97 | 5.18 | 9.35 | 8.18 |
| 3/4" | 4.90 | 4.27 | 6.96 | 6.04 | 9.78 | 8.56 |
| 1" | 5.69 | 4.98 | 7.92 | 6.93 | 11.38 | 9.96 |
| 1-1/4" | 6.07 | 5.28 | 7.92 | 6.93 | 12.14 | 10.62 |
| 1-1/2" | 6.35 | 5.54 | 8.92 | 7.80 | 12.70 | 11.12 |
| 2" | 6.93 | 6.04 | 10.92 | 9.50 | 13.84 | 12.12 |
| 2-1/2" | 8.76 | 7.67 | - | - | - | - |
| 3" | 9.52 | 8.30 | - | - | - | - |
| 4" | 10.69 | 9.53 | - | - | - | - |
Dimensions of ASME B16.11 THD Tee
| NPS | A 2000# | A 3000# | A 6000# | H 2000# | H 3000# | H 6000# |
|---|---|---|---|---|---|---|
| 1/8" | 21 | 21 | 25 | 22 | 22 | 25 |
| 1/4" | 21 | 25 | 28 | 22 | 25 | 33 |
| 3/8" | 25 | 28 | 33 | 25 | 33 | 38 |
| 1/2" | 28 | 33 | 38 | 33 | 38 | 46 |
| 3/4" | 33 | 38 | 44 | 38 | 46 | 56 |
| 1" | 38 | 44 | 51 | 46 | 56 | 62 |
| 1-1/4" | 44 | 51 | 60 | 56 | 62 | 75 |
| 1-1/2" | 51 | 60 | 64 | 62 | 75 | 84 |
| 2" | 60 | 64 | 83 | 75 | 84 | 102 |
| 2-1/2" | 76 | 83 | 95 | 92 | 102 | 121 |
| 3" | 86 | 95 | 106 | 109 | 121 | 146 |
| 4" | 106 | 114 | 114 | 146 | 152 | 152 |
| NPS | G 2000# | G 3000# | G 6000# | B | L2 |
|---|---|---|---|---|---|
| 1/8" | 3.18 | 3.18 | 6.35 | 6.4 | 6.7 |
| 1/4" | 3.18 | 3.30 | 6.60 | 8.1 | 10.2 |
| 3/8" | 3.18 | 3.51 | 6.98 | 9.1 | 10.4 |
| 1/2" | 3.18 | 4.09 | 8.15 | 10.9 | 13.6 |
| 3/4" | 3.18 | 4.32 | 8.53 | 12.7 | 13.9 |
| 1" | 3.68 | 4.98 | 9.93 | 14.7 | 17.3 |
| 1-1/4" | 3.89 | 5.28 | 10.59 | 17.0 | 18.0 |
| 1-1/2" | 4.01 | 5.56 | 11.07 | 17.8 | 18.4 |
| 2" | 4.27 | 7.14 | 12.09 | 19.0 | 19.2 |
| 2-1/2" | 5.61 | 7.65 | 15.29 | 23.6 | 28.9 |
| 3" | 5.99 | 8.84 | 16.64 | 25.9 | 30.5 |
| 4" | 6.55 | 11.18 | 18.67 | 27.7 | 33.0 |
Masses/ Weight
| NPS | 3000# Mass kg | 6000# Mass kg | 9000# Mass kg |
|---|---|---|---|
| 1/8" | 0.15 | 0.19 | 0.36 |
| 1/4" | 0.16 | 0.23 | 0.41 |
| 3/8" | 0.17 | 0.48 | 0.90 |
| 1/2" | 0.32 | 0.62 | 1.15 |
| 3/4" | 0.45 | 0.99 | 2.05 |
| 1" | 0.70 | 1.51 | 2.82 |
| 1-1/4" | 0.99 | 2.03 | 3.77 |
| 1-1/2" | 1.29 | 3.42 | 6.38 |
| 2" | 2.10 | 4.50 | 8.32 |
| 2-1/2" | 3.72 | 7.82 | 13.66 |
| 3" | 6.25 | 12.50 | 20.16 |
| 4" | 18.50 | 20.00 | 33.87 |
| NPS | 2000# Mass kg | 3000# Mass kg | 6000# Mass kg |
|---|---|---|---|
| 1/8" | 0.10 | 0.18 | 0.24 |
| 1/4" | 0.13 | 0.23 | 0.43 |
| 3/8" | 0.17 | 0.38 | 0.61 |
| 1/2" | 0.30 | 0.54 | 0.97 |
| 3/4" | 0.42 | 0.84 | 1.59 |
| 1" | 0.62 | 1.30 | 2.12 |
| 1-1/4" | 0.94 | 1.64 | 3.34 |
| 1-1/2" | 1.25 | 2.92 | 4.42 |
| 2" | 2.02 | 4.10 | 7.82 |
| 2-1/2" | 3.60 | 6.88 | 12.28 |
| 3" | 6.07 | 10.65 | 22.65 |
| 4" | 15.00 | 19.00 | 37.55 |
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