EG-F-075
ASME B16.47 Class 400 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 | 400 |
| 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-075-001 | 26 | 38.25 in | 3.50 in | 29.50 in | 7.62 in | 28.62 in | 0.44 in | 26.00 in | Specified by purchaser | 650 lb | 34.50 in | 28 | 1.88 in |
| EG-F-075-002 | 28 | 40.75 in | 3.75 in | 31.50 in | 8.12 in | 30.81 in | 0.50 in | 28.00 in | Specified by purchaser | 785 lb | 37.00 in | 28 | 2.00 in |
| EG-F-075-003 | 30 | 43.00 in | 4.00 in | 33.75 in | 8.62 in | 32.94 in | 0.50 in | 30.00 in | Specified by purchaser | 905 lb | 39.25 in | 28 | 2.12 in |
| EG-F-075-004 | 32 | 45.25 in | 4.25 in | 36.00 in | 9.12 in | 35.00 in | 0.50 in | 32.00 in | Specified by purchaser | 1065 lb | 41.50 in | 28 | 2.12 in |
| EG-F-075-005 | 34 | 47.50 in | 4.38 in | 38.00 in | 9.50 in | 37.19 in | 0.56 in | 34.00 in | Specified by purchaser | 1200 lb | 43.50 in | 28 | 2.12 in |
| EG-F-075-006 | 36 | 50.00 in | 4.50 in | 40.25 in | 9.88 in | 39.38 in | 0.56 in | 36.00 in | Specified by purchaser | 1340 lb | 46.00 in | 32 | 2.12 in |
| EG-F-075-007 | 38 | 47.50 in | 4.88 in | 40.75 in | 8.12 in | 39.50 in | 0.56 in | 38.00 in | Specified by purchaser | 935 lb | 44.00 in | 32 | 1.88 in |
| EG-F-075-008 | 40 | 50.00 in | 5.12 in | 43.00 in | 8.50 in | 41.50 in | 0.56 in | 40.00 in | Specified by purchaser | 1090 lb | 46.25 in | 32 | 2.00 in |
| EG-F-075-009 | 42 | 52.00 in | 5.25 in | 45.00 in | 8.81 in | 43.62 in | 0.56 in | 42.00 in | Specified by purchaser | 1190 lb | 48.25 in | 32 | 2.00 in |
| EG-F-075-010 | 44 | 54.50 in | 5.50 in | 47.25 in | 9.18 in | 45.62 in | 0.56 in | 44.00 in | Specified by purchaser | 1375 lb | 50.50 in | 32 | 2.12 in |
| EG-F-075-011 | 46 | 56.75 in | 5.75 in | 49.50 in | 9.62 in | 47.75 in | 0.56 in | 46.00 in | Specified by purchaser | 1525 lb | 52.75 in | 36 | 2.12 in |
| EG-F-075-012 | 48 | 59.50 in | 6.00 in | 51.50 in | 10.12 in | 49.88 in | 0.56 in | 48.00 in | Specified by purchaser | 1790 lb | 55.25 in | 28 | 2.38 in |
| EG-F-075-013 | 50 | 61.75 in | 6.19 in | 53.62 in | 10.56 in | 52.00 in | 0.56 in | 50.00 in | Specified by purchaser | 1950 lb | 57.50 in | 32 | 2.38 in |
| EG-F-075-014 | 52 | 63.75 in | 6.38 in | 55.62 in | 10.88 in | 54.00 in | 0.56 in | 52.00 in | Specified by purchaser | 2125 lb | 59.50 in | 32 | 2.38 in |
| EG-F-075-015 | 54 | 67.00 in | 6.69 in | 57.88 in | 11.38 in | 56.12 in | 0.56 in | 54.00 in | Specified by purchaser | 2565 lb | 62.25 in | 28 | 2.62 in |
| EG-F-075-016 | 56 | 69.00 in | 6.88 in | 60.12 in | 11.75 in | 58.25 in | 0.56 in | 56.00 in | Specified by purchaser | 2710 lb | 64.25 in | 32 | 2.62 in |
| EG-F-075-017 | 58 | 71.00 in | 7.00 in | 62.12 in | 12.06 in | 60.25 in | 0.56 in | 58.00 in | Specified by purchaser | 3230 lb | 66.25 in | 32 | 2.62 in |
| EG-F-075-018 | 60 | 74.25 in | 7.31 in | 64.38 in | 12.56 in | 62.38 in | 0.56 in | 60.00 in | Specified by purchaser | 3820 lb | 69.00 in | 32 | 2.88 in |
Selection notes
The listed base dimensions exclude the 1/4 in raised face; include it when checking the finished thickness and overall height.
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.