American slip on flange (SO flange) is designed with its inner diameter slightly bigger than pipe OD, so the flange could slide over the pipe for easy alignment. It is mainly used for pipe connection in low pressure, medium temperature service.
Available size (Class 150)
| Size | Flange OD O (mm) | Bolt circle dia. W (mm) | Bolting (No. x hole) | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 90 | 60.3 | 4 x 5/8″ | N8701-150 |
| 3/4″ / DN20 / 26.7mm | 100 | 69.9 | 4 x 5/8″ | N8702-150 |
| 1″ / DN25 / 33.4mm | 110 | 79.4 | 4 x 5/8″ | N8703-150 |
| 1-1/4″ / DN32 / 42.2mm | 115 | 88.9 | 4 x 5/8″ | N8704-150 |
| 1-1/2″ / DN40 / 48.3mm | 125 | 98.4 | 4 x 5/8″ | N8705-150 |
| 2″ / DN50 / 60.3mm | 150 | 120.7 | 4 x 3/4″ | N8706-150 |
| 2-1/2″ / DN65 / 73.0 / 76.1mm | 180 | 139.7 | 4 x 3/4″ | N8707-150 |
| 3″ / DN80 / 88.9mm | 190 | 152.4 | 4 x 3/4″ | N8708-150 |
| 4″ / DN100 / 114.3mm | 230 | 190.5 | 8 x 3/4″ | N8709-150 |
| 5″ / DN125 / 141.3mm | 255 | 215.9 | 8 x 7/8″ | N8710-150 |
| 6″ / DN150 / 165.1 / 168.3mm | 280 | 241.3 | 8 x 7/8″ | N8711-150 |
| 8″ / DN200 / 219.1mm | 345 | 298.5 | 8 x 7/8″ | N8712-150 |
| 10″ / DN250 / 273.0mm | 405 | 362.0 | 12 x 1″ | N8713-150 |
| 12″ / DN300 / 323.8mm | 485 | 431.8 | 12 x 1″ | N8714-150 |
| 14″ / DN350 / 355.6mm | 535 | 476.3 | 12 x 1-1/8″ | N8715-150 |
Note: Please download our catalog for more available sizes.
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