EG-F-077
ASME B16.47 Class 600 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 | 600 |
| 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-077-001 | 26 | 40.00 in | 4.25 in | 29.50 in | 8.75 in | 29.44 in | 0.50 in | 26.00 in | Specified by purchaser | 940 lb | 36.00 in | 28 | 2.00 in |
| EG-F-077-002 | 28 | 42.25 in | 4.38 in | 31.50 in | 9.25 in | 31.62 in | 0.50 in | 28.00 in | Specified by purchaser | 1060 lb | 38.00 in | 28 | 2.12 in |
| EG-F-077-003 | 30 | 44.50 in | 4.50 in | 33.75 in | 9.75 in | 33.94 in | 0.50 in | 30.00 in | Specified by purchaser | 1210 lb | 40.25 in | 28 | 2.12 in |
| EG-F-077-004 | 32 | 47.00 in | 4.62 in | 36.00 in | 10.25 in | 36.12 in | 0.50 in | 32.00 in | Specified by purchaser | 1375 lb | 42.50 in | 28 | 2.38 in |
| EG-F-077-005 | 34 | 49.00 in | 4.75 in | 38.00 in | 10.62 in | 38.31 in | 0.56 in | 34.00 in | Specified by purchaser | 1540 lb | 44.50 in | 28 | 2.38 in |
| EG-F-077-006 | 36 | 51.75 in | 4.88 in | 40.25 in | 11.12 in | 40.62 in | 0.56 in | 36.00 in | Specified by purchaser | 1705 lb | 47.00 in | 28 | 2.62 in |
| EG-F-077-007 | 38 | 50.00 in | 6.00 in | 41.50 in | 10.00 in | 40.25 in | 0.56 in | 38.00 in | Specified by purchaser | 1470 lb | 45.75 in | 28 | 2.38 in |
| EG-F-077-008 | 40 | 52.00 in | 6.25 in | 43.75 in | 10.38 in | 42.25 in | 0.56 in | 40.00 in | Specified by purchaser | 1630 lb | 47.75 in | 32 | 2.38 in |
| EG-F-077-009 | 42 | 55.25 in | 6.62 in | 46.00 in | 11.00 in | 44.38 in | 0.56 in | 42.00 in | Specified by purchaser | 2030 lb | 50.50 in | 28 | 2.62 in |
| EG-F-077-010 | 44 | 57.25 in | 6.81 in | 48.25 in | 11.38 in | 46.50 in | 0.56 in | 44.00 in | Specified by purchaser | 2160 lb | 52.50 in | 32 | 2.62 in |
| EG-F-077-011 | 46 | 59.50 in | 7.06 in | 50.25 in | 11.81 in | 48.62 in | 0.56 in | 46.00 in | Specified by purchaser | 2410 lb | 54.75 in | 32 | 2.62 in |
| EG-F-077-012 | 48 | 62.75 in | 7.44 in | 52.50 in | 12.44 in | 50.75 in | 0.56 in | 48.00 in | Specified by purchaser | 2855 lb | 57.50 in | 32 | 2.88 in |
| EG-F-077-013 | 50 | 65.75 in | 7.75 in | 54.50 in | 12.94 in | 52.88 in | 0.56 in | 50.00 in | Specified by purchaser | 3330 lb | 60.00 in | 28 | 3.12 in |
| EG-F-077-014 | 52 | 67.75 in | 8.00 in | 56.50 in | 13.25 in | 54.88 in | 0.56 in | 52.00 in | Specified by purchaser | 3560 lb | 62.00 in | 32 | 3.12 in |
| EG-F-077-015 | 54 | 70.00 in | 8.25 in | 58.75 in | 13.75 in | 57.00 in | 0.56 in | 54.00 in | Specified by purchaser | 3920 lb | 64.25 in | 32 | 3.12 in |
| EG-F-077-016 | 56 | 73.00 in | 8.56 in | 60.75 in | 14.25 in | 59.12 in | 0.62 in | 56.00 in | Specified by purchaser | 4280 lb | 66.75 in | 32 | 3.38 in |
| EG-F-077-017 | 58 | 75.00 in | 8.75 in | 63.00 in | 14.56 in | 61.12 in | 0.62 in | 58.00 in | Specified by purchaser | 4640 lb | 68.75 in | 32 | 3.38 in |
| EG-F-077-018 | 60 | 78.50 in | 9.19 in | 65.25 in | 15.31 in | 63.38 in | 0.69 in | 60.00 in | Specified by purchaser | 5000 lb | 71.75 in | 28 | 3.62 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.
