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Dimension of Butt Welding Fittings To ANSI B 16.9/MSS SP 43
| NOM BORE |
PIPE OD |
RADIUS 'R' | B 1.5 D |
K | E/E1 | G | LENGTH 'L' | D | H | ||
| 1 D | 1.5 D | MSS SP43 | ANSI B 16.9 | ||||||||
| ½ | 21.3 | 12.7 | 38.1 | 15.9 | 48 | 25.4 | 34.9 | 50.8 | 76.2 | 45 | 8 |
| ¾ | 26.7 | 19.05 | 38.1 | 19.0 | 51 | 25.4 | 42.8 | 50.8 | 76.2 | 54 | 8 |
| 1 | 33.4 | 25.4 | 38.1 | 22.2 | 56 | 38.1 | 50.8 | 50.8 | 101.6 | 64 | 10 |
| 1¼ | 42.1 | 31.75 | 47.6 | 25.0 | 70 | 38.1 | 63.5 | 50.8 | 101.6 | 74 | 12 |
| 1½ | 48.3 | 38.1 | 57.15 | 28.6 | 83 | 38.1 | 73.0 | 50.8 | 101.6 | 84 | 12 |
| 2 | 60.3 | 50.8 | 76.2 | 35.0 | 106 | 44* | 92.0 | 63.5 | 152.4 | 102 | 16 |
| 2½ | 73.0 | 63.5 | 95.25 | 44.0 | 132 | 51 | 106 | 63.5 | 152.4 | 122 | 16 |
| 3 | 88.9 | 76.2 | 114.3 | 50.8 | 159 | 64* | 127.0 | 63.5 | 152.4 | 138 | 18 |
| 3½ | 101.6 | 88.9 | 133.35 | 57.2 | 184 | 76* | 139.7 | 76.2 | 152.4 | 148 | 18 |
| 4 | 114.3 | 101.3 | 152.4 | 63.5 | 210 | 76* | 157.2 | 76.2 | 152.4 | 158 | 20 |
| 5 | 141.3 | 127.0 | 190.5 | 79.4 | 262 | 89* | 185.7 | 76.2 | 208.2 | 188 | 20 |
| 6 | 168.3 | 152.4 | 228.6 | 95.3 | 313 | 102* | 218 | 88.9 | 203.2 | 212 | 25 |
| 8 | 219.1 | 203.2 | 304.8 | 127.0 | 414 | 127* | 270.0 | 101.6 | 203.2 | 270 | 30 |
| 10 | 373.1 | 254.0 | 381.0 | 158.7 | 518 | 152* | 324.0 | 127.0 | 254.0 | 325 | 30 |
| 12 | 323.9 | 304.8 | 457.2 | 190.5 | 619 | 178* | 381.0 | 152.4 | 254.0 | 380 | 35 |
| 14 | 355.6 | 355.6 | 533.4 | 222.2 | 711 | 191* | 412.8 | 152.4 | 305.0 | 415 | 40 |
| 16 | 406.4 | 406.4 | 609.6 | 254.0 | 203* | 470.0 | 152.4 | 305.0 | 470 | 40 | |
| 18 | 457.2 | 457.2 | 685.8 | 285.7 | 914 | 229* | 533.4 | 152.4 | 305.0 | 535 | 40 |
| 20 | 508.0 | 508.0 | 762.0 | 317.6 | 1016 | 254* | 584.2 | 152.4 | 305.0 | 585 | 40 |
| 22 | 558.8 | 558.8 | 838.2 | 343.0 | 1118 | 254* | 641.4 | 152.4 | 305.0 | 642 | 40 |
| 24 | 609.6 | 609.6 | 914.4 | 381.0 | 1219 | 305* | 692.2 | 152.4 | 305.0 | 693 | 40 |
| 26 | 660.0 | 660.0 | 991.0 | 405.0 | - | 267.0 | - | - | - | - | - |
| 28 | 711.0 | 711.0 | 1067.0 | 438.0 | - | 267.0 | - | - | - | - | - |
| 30 | 762.0 | 762.0 | 1143.0 | 470.0 | - | 267.0 | - | - | - | - | - |
| 32 | 813.0 | 813.0 | 1219.0 | 502.0 | - | 267.0 | - | - | |||
| 34 | 864.0 | 864.0 | 1295.0 | 533.0 | - | 267.0 | - | - | - | - | - |
| 36 | 914.0 | 914.0 | 1372.0 | 565.0 | - | 267.0 | - | - | - | - | - |
| 38 | 965.0 | 965.0 | 1448.0 | 600.0 | - | 305.0 | - | - | - | - | - |
| 40 | 1016.0 | 1016.0 | 1524.0 | 632.0 | - | 305.0 | - | - | - | - | - |
| 42 | 1067.0 | 1067.0 | 1600.0 | 660.0 | - | 305.0 | - | - | - | - | - |
| 44 | 1118.0 | 1118.0 | 1676.0 | 695.0 | - | 343.0 | - | - | - | - | |
| 46 | 1168.0 | 1168.0 | 1753.0 | 727.0 | - | 343.0 | - | - | - | - | - |
| 48 | 1219.0 | 1219.0 | 1829.0 | 759.0 | - | 343.0 | - | - | - | - | - |
* All dimensions are in mm