| NPS | Bolt Circle Dia. | Bolt Hole Size | Center To Face A | Dia. of Bolts | Height of Base F | Length of Bolts | Number of Bolt Holes | Outside Flange Dia. B | Outside Flange Dia. B2 | Outside Flange Dia. B3 | Round Square Base G | Thickness of Flange D Min | Thickness of Flange D2 Min. | Thickness of Flange D3 Min. | Wall Thickness E | Wall Thickness E2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 17.00 | 1.00 | 7.50 | 0.88 | --- | 3 3/4 | 12.00 | 19.00 | --- | --- | --- | 1.25 | --- | --- | 0.81 | --- |
