Flange - Long Weld Neck, ANSI Class 2500, ASME B16.5, 1/16" Raised Face (in) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size
(NPS) | Outside
Diameter of Flange A | Diameter
of Raised Face B | Thickness
of Flange
| Diameter
of Bore
| Diameter
of Hub at Base
| Length
of Hub
| Nunber
of Bolt Holes | Diamete
of Bolt Holes | Bolt
Circle Diameter
| Approx.
Weight |
| 1/2 | 5 1/4 | 1 3/8 | 1 3/16 | 0.50 | 1 13/16 | 9 | 4 | 7/8 | 3 1/2 | 11 |
| 3/4 | 5 1/2 | 1 11/16 | 1 1/4 | 0.75 | 2 1/16 | 9 | 4 | 7/8 | 3 3/4 | 13 |
| 1 | 6 1/4 | 2 | 1 3/8 | 1.00 | 2 1/4 | 9 | 4 | 1 | 4 1/4 | 20 |
| 1 1/4 | 7 1/4 | 2 1/2 | 1 1/2 | 1.25 | 2 7/8 | 9 | 4 | 1 1/8 | 5 1/8 | 30 |
| 1 1/2 | 8 | 2 7/8 | 1 3/4 | 1.50 | 3 1/8 | 9 | 4 | 1 1/4 | 5 3/4 | 38 |
| 2 | 9 1/4 | 3 5/8 | 2 | 2.00 | 3 3/4 | 9 | 8 | 1 1/8 | 6 3/4 | 55 |
| 2 1/2 | 10 1/2 | 4 1/8 | 2 1/4 | 2.50 | 4 1/2 | 9 | 8 | 1 1/4 | 7 3/4 | 85 |
| 3 | 12 | 5 | 2 5/8 | 3.00 | 5 1/4 | 9 | 8 | 1 3/8 | 9 | 125 |
| 3 1/2 | - | - | - | - | - | - | - | - | - | - |
| 4 | 14 | 6 3/16 | 3 | 4.00 | 6 1/2 | 12 | 8 | 1 5/8 | 10 3/4 | 185 |
| 5 | 16 1/2 | 7 5/16 | 3 5/8 | 5.00 | 8 | 12 | 8 | 1 7/8 | 12 3/4 | 300 |
| 6 | 19 | 8 1/2 | 4 1/4 | 6.00 | 9 1/4 | 12 | 8 | 2 1/8 | 14 1/2 | 450 |
| 8 | 21 3/4 | 10 5/8 | 5 | 8.00 | 12 | 16 | 12 | 2 1/8 | 17 1/4 | 600 |
| 10 | 26 1/2 | 12 3/4 | 6 1/2 | 10.00 | 14 3/4 | 16 | 12 | 2 5/8 | 21 1/4 | 1150 |
| 12 | 30 | 15 | 7 1/4 | 12.00 | 17 3/8 | 16 | 12 | 2 7/8 | 24 3/8 | 1560 |
- Dimensions to ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
- Bolt circle diameters are 1/8 inch larger than bolt diameter.
- Connection complies with ASME BPVC Section II, Section VIII Division 1 and ASTM A105.
- Angle "AA" is 30° per Section VIII Division 1.
- Angle "AA" is 45° per Section VIII Division 2.
