Weldolet is the most common of all branch connections, and is welded onto the outlet pipe. The ends are bevelled to facilitate this process, and therefore the weldolet is considered a butt-weld fitting. Weldolet’s are designed to minimize stress concentrations and provide integral reinforcement.
| pressure | NPS | A | B | C |
| STD | 1/2″ | 19.05 | 34.93 | 23.81 |
| STD | 3/4″ | 22.23 | 44.45 | 30.16 |
| STD | 1″ | 26.99 | 53.98 | 36.51 |
| STD | 1 1/4″ | 31.75 | 65.09 | 44.45 |
| STD | 1 1/2″ | 33.34 | 73 | 50.8 |
| STD | 2″ | 38.1 | 88.9 | 65.09 |
| STD | 2 1/2″ | 41.28 | 103.19 | 76.2 |
| STD | 3″ | 44.45 | 122.24 | 93.66 |
| STD | 3 1/2″ | 47.63 | 142.88 | 101.6 |
| STD | 4″ | 50.8 | 152.4 | 120.65 |
| STD | 5″ | 57.15 | 179.39 | 141.29 |
| STD | 6″ | 60.3 | 215.9 | 169.86 |
| STD | 8″ | 69.85 | 263.53 | 220.66 |
| STD | 10″ | 77.79 | 322.26 | 274.64 |
| STD | 12″ | 85.73 | 377.83 | 325.44 |
| STD | 14″ | 88.9 | 409.58 | 357.19 |
| STD | 16″ | 93.66 | 463.55 | 407.99 |
| STD | 18″ | 96.84 | 520.7 | 458.79 |
| STD | 20″ | 101.6 | 571.5 | 508 |
| STD | 24″ | 115.89 | 688.98 | 614.36 |
| XS | 1/2″ | 19.05 | 34.93 | 23.81 |
| XS | 3/4″ | 22.23 | 44.45 | 30.16 |
| XS | 1″ | 26.99 | 53.98 | 36.51 |
| XS | 1 1/4″ | 31.75 | 65.09 | 44.45 |
| XS | 1 1/2″ | 33.34 | 73 | 50.8 |
| XS | 2″ | 38.1 | 88.9 | 65.09 |
| XS | 2 1/2″ | 41.28 | 103.19 | 76.2 |
| XS | 3″ | 44.45 | 122.24 | 93.66 |
| XS | 3 1/2″ | 47.63 | 136.53 | 101.6 |
| XS | 4″ | 50.8 | 152.4 | 120.65 |
| XS | 5″ | 57.15 | 179.39 | 141.29 |
| XS | 6″ | 77.79 | 225.43 | 169.86 |
| XS | 8″ | 98.43 | 292.1 | 220.66 |
| XS | 10″ | 93.66 | 323.9 | 265.11 |
| XS | 12″ | 103.19 | 379.41 | 317.5 |
| XS | 14″ | 100.01 | 431.8 | 350.84 |
| XS | 16″ | 106.36 | 466.73 | 403.23 |
| XS | 18″ | 111.13 | 517.53 | 439.74 |
| XS | 20″ | 119.06 | 582.61 | 509.59 |
| XS | 24″ | 139.7 | 708.03 | 614.36 |
