EG-F-085
ASME B16.47 Class 300 Series B Weld Neck Flanges
Butt-weld connection with a tapered hub. Specify the bore to suit the connected pipe.
| Series | ASME B16.47 · Series B |
| 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) | Bolt circle (C) | Bolt holes | Hole diameter | Approx. weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EG-F-085-001 | 26 | 34.12 in | 3.50 in | 29.00 in | 5.69 in | 27.62 in | 0.56 in | 26.19 in | Specified by purchaser | 31.62 in | 32 | 1.38 in | 400 lb |
| EG-F-085-002 | 28 | 36.25 in | 3.50 in | 31.00 in | 5.88 in | 29.75 in | 0.56 in | 28.19 in | Specified by purchaser | 33.75 in | 36 | 1.38 in | 450 lb |
| EG-F-085-003 | 30 | 39.00 in | 3.69 in | 33.25 in | 6.22 in | 32.00 in | 0.56 in | 30.25 in | Specified by purchaser | 36.25 in | 36 | 1.50 in | 550 lb |
| EG-F-085-004 | 32 | 41.50 in | 4.06 in | 35.50 in | 6.62 in | 34.00 in | 0.62 in | 32.25 in | Specified by purchaser | 38.50 in | 32 | 1.62 in | 685 lb |
| EG-F-085-005 | 34 | 43.62 in | 4.06 in | 37.50 in | 6.81 in | 36.12 in | 0.62 in | 34.25 in | Specified by purchaser | 40.62 in | 36 | 1.62 in | 750 lb |
| EG-F-085-006 | 36 | 46.12 in | 4.06 in | 39.75 in | 7.12 in | 38.00 in | 0.62 in | 36.25 in | Specified by purchaser | 42.88 in | 32 | 1.75 in | 840 lb |
| EG-F-085-007 | 38 | 48.12 in | 4.38 in | 41.75 in | 7.56 in | 40.00 in | 0.62 in | 38.25 in | Specified by purchaser | 44.88 in | 36 | 1.75 in | 915 lb |
| EG-F-085-008 | 40 | 50.12 in | 4.56 in | 43.88 in | 7.81 in | 42.00 in | 0.62 in | 40.25 in | Specified by purchaser | 46.88 in | 40 | 1.75 in | 990 lb |
| EG-F-085-009 | 42 | 52.50 in | 4.69 in | 46.00 in | 8.06 in | 44.00 in | 0.62 in | 42.31 in | Specified by purchaser | 49.00 in | 36 | 1.88 in | 1135 lb |
| EG-F-085-010 | 44 | 54.50 in | 5.00 in | 48.00 in | 8.44 in | 46.19 in | 0.62 in | 44.31 in | Specified by purchaser | 51.00 in | 40 | 1.88 in | 1235 lb |
| EG-F-085-011 | 46 | 57.50 in | 5.06 in | 50.00 in | 8.75 in | 48.38 in | 0.62 in | 46.31 in | Specified by purchaser | 53.75 in | 36 | 2.00 in | 1470 lb |
| EG-F-085-012 | 48 | 59.50 in | 5.06 in | 52.25 in | 8.81 in | 50.31 in | 0.62 in | 48.31 in | Specified by purchaser | 55.75 in | 40 | 2.00 in | 1575 lb |
| EG-F-085-013 | 50 | 61.50 in | 5.44 in | 54.25 in | 9.25 in | 52.38 in | 0.62 in | 50.31 in | Specified by purchaser | 57.75 in | 44 | 2.00 in | 1710 lb |
| EG-F-085-014 | 52 | 63.50 in | 5.62 in | 56.25 in | 9.56 in | 54.44 in | 0.62 in | 52.31 in | Specified by purchaser | 59.75 in | 48 | 2.00 in | 1840 lb |
| EG-F-085-015 | 54 | 65.88 in | 5.38 in | 58.25 in | 9.44 in | 56.50 in | 0.62 in | 54.31 in | Specified by purchaser | 62.12 in | 48 | 2.00 in | 1980 lb |
| EG-F-085-016 | 56 | 69.50 in | 6.06 in | 60.50 in | 10.56 in | 58.81 in | 0.69 in | 56.31 in | Specified by purchaser | 65.00 in | 36 | 2.38 in | 2595 lb |
| EG-F-085-017 | 58 | 71.94 in | 6.06 in | 62.75 in | 10.81 in | 60.94 in | 0.69 in | 58.31 in | Specified by purchaser | 67.44 in | 40 | 2.38 in | 2770 lb |
| EG-F-085-018 | 60 | 73.94 in | 5.94 in | 65.00 in | 10.69 in | 62.94 in | 0.69 in | 60.31 in | Specified by purchaser | 69.44 in | 40 | 2.38 in | 2870 lb |
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.