Flange – Blind, ANSI Class 900, ASME B16.47 Series A, 1/4″ Raised Face (in)
- Dimensions and tolerances in accordance with ANSI/ASME B16.47 for sizes 26″ to 60″.
- Carbon steel forgings in accordance with ASTM A105.
- Bolt circle diameters are 1/8 inch larger than bolt diameter.
| Pipe Size(NPS) | OutsideDiameter of Flange A | Diameterof Raised Face B | Thicknessof Flange C | Numberof Bolt Holes | Diameterof Bolt Holes | BoltCircle Diameter P | Approx.Weight (lb) |
|---|---|---|---|---|---|---|---|
| 26 | 42 3/4 | 29 1/2 | 3 5/16 | 20 | 2 7/8 | 37 1/2 | 2570 |
| 28 | 46 | 31 1/2 | 6 3/4 | 20 | 3 1/8 | 40 1/4 | 3180 |
| 30 | 48 1/2 | 33 3/4 | 7 3/16 | 20 | 3 1/8 | 42 3/4 | 3760 |
| 32 | 51 3/4 | 36 | 7 5/8 | 20 | 3 3/8 | 45 1/2 | 4540 |
| 34 | 55 | 38 | 8 1/16 | 20 | 3 5/8 | 48 1/4 | 5430 |
| 36 | 57 1/2 | 40 1/4 | 8 7/16 | 20 | 3 5/8 | 50 3/4 | 6210 |
| 38 | 57 1/2 | 43 1/4 | 8 1/2 | 20 | 3 5/8 | 50 3/4 | 6260 |
| 40 | 59 1/2 | 45 3/4 | 8 13/16 | 24 | 3 5/8 | 52 3/4 | 6940 |
| 42 | 61 1/2 | 47 3/ 4 | 9 1/8 | 24 | 3 5/8 | 54 3/4 | 7680 |
| 44 | 64 7/8 | 50 | 9 9/16 | 24 | 3 7/8 | 57 5/8 | 8950 |
| 46 | 68 1/4 | 52 1/2 | 10 1/16 | 24 | 4 1/8 | 60 1/2 | 10,430 |
| 48 | 70 1/4 | 54 1/2 | 10 3/8 | 24 | 4 1/8 | 62 1/2 | 11,400 |