EG-F-064
Industry Standard Class 250 Weld Neck Flanges
Butt-weld connection with a tapered hub. Specify the bore to suit the connected pipe.
| Series | Industry Standard |
| Class | 250 |
| Size range | NPS 26–48 |
| Size entries | 12 |
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) | Thickness (T) | RF diameter (R) | Length through hub (Y) | Hub base OD (X) | Weld-end OD (A) | Bore (B) | Approx. weight | Bolt circle (C) | Bolt holes | Hole diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EG-F-064-001 | 26 | 38.25 in | 2.81 in | 32.44 in | 5.81 in | 30.50 in | N/A | Specified by purchaser | 530 lb | 34.50 in | 28 | 1.88 in |
| EG-F-064-002 | 28 | 40.75 in | 2.94 in | 34.94 in | 5.94 in | 33.00 in | N/A | Specified by purchaser | 630 lb | 37.00 in | 28 | 1.88 in |
| EG-F-064-003 | 30 | 43.00 in | 3.00 in | 37.19 in | 6.00 in | 35.25 in | N/A | Specified by purchaser | 700 lb | 39.25 in | 28 | 1.88 in |
| EG-F-064-004 | 32 | 45.25 in | 3.12 in | 39.44 in | 6.13 in | 37.50 in | N/A | Specified by purchaser | 790 lb | 41.50 in | 28 | 1.88 in |
| EG-F-064-005 | 34 | 47.50 in | 3.25 in | 41.44 in | 6.25 in | 39.50 in | N/A | Specified by purchaser | 880 lb | 43.50 in | 28 | 1.88 in |
| EG-F-064-006 | 36 | 50.00 in | 3.38 in | 43.69 in | 6.38 in | 41.50 in | N/A | Specified by purchaser | 970 lb | 46.00 in | 32 | 2.13 in |
| EG-F-064-007 | 38 | 52.25 in | 3.44 in | 45.69 in | 6.44 in | 43.50 in | N/A | Specified by purchaser | 1050 lb | 48.00 in | 32 | 2.13 in |
| EG-F-064-008 | 40 | 54.50 in | 3.56 in | 47.94 in | 6.56 in | 45.75 in | N/A | Specified by purchaser | 1150 lb | 50.25 in | 36 | 2.13 in |
| EG-F-064-009 | 42 | 57.00 in | 3.69 in | 50.44 in | 6.94 in | 47.75 in | N/A | Specified by purchaser | 1325 lb | 52.75 in | 36 | 2.13 in |
| EG-F-064-010 | 44 | 59.25 in | 3.75 in | 52.69 in | 7.00 in | 49.75 in | N/A | Specified by purchaser | 1425 lb | 55.00 in | 36 | 2.13 in |
| EG-F-064-011 | 46 | 61.50 in | 3.88 in | 54.94 in | 7.13 in | 51.75 in | N/A | Specified by purchaser | 1525 lb | 57.25 in | 40 | 2.13 in |
| EG-F-064-012 | 48 | 65.00 in | 4.00 in | 58.44 in | 7.25 in | 54.00 in | N/A | Specified by purchaser | 1825 lb | 60.75 in | 40 | 2.13 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.