Flange - Long Weld Neck, ANSI Class 900, 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 | 4 3/4 | 1 3/8 | 7/8 | 0.50 | 1 9/16 | 9 | 4 | 7/8 | 3 1/4 | 8 |
| 3/4 | 5 1/8 | 1 11/16 | 1 | 0.75 | 1 13/16 | 9 | 4 | 7/8 | 3 1/2 | 10 |
| 1 | 5 7/8 | 2 | 1 1/8 | 1.00 | 2 1/16 | 9 | 4 | 1 | 4 | 15 |
| 1 1/4 | 6 1/4 | 2 1/2 | 1 1/8 | 1.25 | 2 1/2 | 9 | 4 | 1 | 4 3/8 | 18 |
| 1 1/2 | 7 | 2 7/8 | 1 1/4 | 1.50 | 2 3/4 | 9 | 4 | 1 1/8 | 4 7/8 | 23 |
| 2 | 8 1/2 | 3 5/8 | 1 1/2 | 2.00 | 4 1/8 | 9 | 8 | 1 | 6 1/2 | 44 |
| 2 1/2 | 9 5/8 | 4 1/8 | 1 5/8 | 2.50 | 4 7/8 | 12 | 8 | 1 1/8 | 7 1/2 | 72 |
| 3 | 9 1/2 | 5 | 1 1/2 | 3.00 | 5 | 12 | 8 | 1 | 7 1/2 | 65 |
| 3 1/2 | - | - | - | - | - | - | - | - | - | - |
| 4 | 11 1/2 | 6 3/16 | 1 3/4 | 4.00 | 6 1/4 | 12 | 8 | 1 1/4 | 9 1/4 | 98 |
| 5 | 13 3/4 | 7 5/16 | 2 | 5.00 | 7 1/2 | 12 | 8 | 1 3/8 | 11 | 143 |
| 6 | 15 | 8 1/2 | 2 3/16 | 6.00 | 9 1/4 | 12 | 12 | 1 1/4 | 12 1/2 | 199 |
| 8 | 18 1/2 | 10 5/8 | 2 1/2 | 8.00 | 11 3/4 | 12 | 12 | 1 1/2 | 15 1/2 | 310 |
| 10 | 21 1/2 | 12 3/4 | 2 3/4 | 10.00 | 14 1/2 | 12 | 16 | 1 1/2 | 18 1/2 | 385 |
| 12 | 24 | 15 | 3 1/8 | 12.00 | 16 1/2 | 12 | 20 | 1 1/2 | 21 | 667 |
| 14 | 25 1/4 | 16 1/4 | 3 3/8 | 14.00 | 17 3/4 | 16 | 20 | 1 5/8 | 22 | 558 |
| 16 | 27 3/4 | 18 1/2 | 3 1/2 | 16.00 | 20 | 16 | 20 | 1 3/4 | 24 1/4 | 670 |
| 18 | 31 | 21 | 4 | 18.00 | 22 1/4 | 16 | 20 | 2 | 27 | 949 |
| 20 | 33 3/4 | 23 | 4 1/4 | 20.00 | 24 1/2 | 16 | 20 | 2 1/8 | 29 1/2 | 1040 |
| 22 | - | - | - | - | - | - | - | - | - | - |
| 24 | 41 | 27 1/4 | 5 1/2 | 24.00 | 29 1/2 | 16 | 20 | 2 5/8 | 35 1/2 | 1775 |
- 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.
