EG-F-073
ASME B16.47 Class 300 Series A Weld Neck Flanges
Butt-weld connection with a tapered hub. Specify the bore to suit the connected pipe.
| Series | ASME B16.47 · Series A |
| Class | 300 |
| Size range | NPS 26–60 |
| Size entries | 18 |
Representative form. Refer to the size table for the selected dimensions.
Dimension key
Dimensions & drilling
in = inches · lb = pounds
Scroll the table horizontally to see all dimensions. Approximate weights are for reference.
| Catalogue ref. | Nominal pipe size (NPS) | OD (O) | Min. thickness (T) | RF diameter (R) | Length through hub (Y) | Hub OD (X) | Min. fillet radius (r) | Hub top OD (A) | Bore (B) | Approx. weight | Bolt circle (C) | Bolt holes | Hole diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EG-F-073-001 | 26 | 38.25 in | 3.12 in | 29.50 in | 7.25 in | 28.38 in | 0.38 in | 26.00 in | Specified by purchaser | 605 lb | 34.50 in | 28 | 1.75 in |
| EG-F-073-002 | 28 | 40.75 in | 3.38 in | 31.50 in | 7.75 in | 30.50 in | 0.44 in | 28.00 in | Specified by purchaser | 745 lb | 37.00 in | 28 | 1.75 in |
| EG-F-073-003 | 30 | 43.00 in | 3.62 in | 33.75 in | 8.25 in | 32.56 in | 0.44 in | 30.00 in | Specified by purchaser | 870 lb | 39.25 in | 28 | 1.88 in |
| EG-F-073-004 | 32 | 45.25 in | 3.88 in | 36.00 in | 8.75 in | 34.69 in | 0.44 in | 32.00 in | Specified by purchaser | 1005 lb | 41.50 in | 28 | 2.00 in |
| EG-F-073-005 | 34 | 47.50 in | 4.00 in | 38.00 in | 9.12 in | 36.88 in | 0.50 in | 34.00 in | Specified by purchaser | 1145 lb | 43.50 in | 28 | 2.00 in |
| EG-F-073-006 | 36 | 50.00 in | 4.12 in | 40.25 in | 9.50 in | 39.00 in | 0.50 in | 36.00 in | Specified by purchaser | 1275 lb | 46.00 in | 32 | 2.12 in |
| EG-F-073-007 | 38 | 46.00 in | 4.25 in | 40.50 in | 7.12 in | 39.12 in | 0.50 in | 38.00 in | Specified by purchaser | 695 lb | 43.00 in | 32 | 1.62 in |
| EG-F-073-008 | 40 | 48.75 in | 4.50 in | 42.75 in | 7.62 in | 41.25 in | 0.50 in | 40.00 in | Specified by purchaser | 840 lb | 45.50 in | 32 | 1.75 in |
| EG-F-073-009 | 42 | 50.75 in | 4.69 in | 44.75 in | 7.88 in | 43.25 in | 0.50 in | 42.00 in | Specified by purchaser | 950 lb | 47.50 in | 32 | 1.75 in |
| EG-F-073-010 | 44 | 53.25 in | 4.88 in | 47.00 in | 8.12 in | 45.25 in | 0.50 in | 44.00 in | Specified by purchaser | 1055 lb | 49.75 in | 32 | 1.88 in |
| EG-F-073-011 | 46 | 55.75 in | 5.06 in | 49.00 in | 8.50 in | 47.38 in | 0.50 in | 46.00 in | Specified by purchaser | 1235 lb | 52.00 in | 28 | 2.00 in |
| EG-F-073-012 | 48 | 57.75 in | 5.25 in | 51.25 in | 8.81 in | 49.38 in | 0.50 in | 48.00 in | Specified by purchaser | 1380 lb | 54.00 in | 32 | 2.00 in |
| EG-F-073-013 | 50 | 60.25 in | 5.50 in | 53.50 in | 9.12 in | 51.38 in | 0.50 in | 50.00 in | Specified by purchaser | 1530 lb | 56.25 in | 32 | 2.12 in |
| EG-F-073-014 | 52 | 62.25 in | 5.69 in | 55.50 in | 9.38 in | 53.38 in | 0.50 in | 52.00 in | Specified by purchaser | 1660 lb | 58.25 in | 32 | 2.12 in |
| EG-F-073-015 | 54 | 65.25 in | 6.00 in | 57.75 in | 9.94 in | 55.50 in | 0.50 in | 54.00 in | Specified by purchaser | 2050 lb | 61.00 in | 28 | 2.38 in |
| EG-F-073-016 | 56 | 67.25 in | 6.06 in | 59.75 in | 10.25 in | 57.62 in | 0.50 in | 56.00 in | Specified by purchaser | 2155 lb | 63.00 in | 28 | 2.38 in |
| EG-F-073-017 | 58 | 69.25 in | 6.25 in | 62.00 in | 10.50 in | 59.62 in | 0.50 in | 58.00 in | Specified by purchaser | 2270 lb | 65.00 in | 32 | 2.38 in |
| EG-F-073-018 | 60 | 71.25 in | 6.44 in | 64.00 in | 10.75 in | 61.62 in | 0.50 in | 60.00 in | Specified by purchaser | 2470 lb | 67.00 in | 32 | 2.38 in |
Selection notes
Facing in this dimensional series: 1/16 in raised face (RF).
A flat face (FF) can be specified with the inquiry.
Class designations are not direct pressure values. Confirm material grade, temperature, facing and the applicable standard edition before ordering.
Specify your flange.
Send the standard, class, size, material and quantity. Add a drawing for custom requirements.