EG-F-071
ASME B16.47 Class 150 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 | 150 |
| 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-071-001 | 26 | 34.25 in | 2.69 in | 29.50 in | 4.75 in | 26.62 in | 0.38 in | 26.00 in | Specified by purchaser | 300 lb | 31.75 in | 24 | 1.38 in |
| EG-F-071-002 | 28 | 36.50 in | 2.81 in | 31.50 in | 4.94 in | 28.62 in | 0.44 in | 28.00 in | Specified by purchaser | 345 lb | 34.00 in | 28 | 1.38 in |
| EG-F-071-003 | 30 | 38.75 in | 2.94 in | 33.75 in | 5.38 in | 30.75 in | 0.44 in | 30.00 in | Specified by purchaser | 400 lb | 36.00 in | 28 | 1.38 in |
| EG-F-071-004 | 32 | 41.75 in | 3.19 in | 36.00 in | 5.69 in | 32.75 in | 0.44 in | 32.00 in | Specified by purchaser | 505 lb | 38.50 in | 28 | 1.62 in |
| EG-F-071-005 | 34 | 43.75 in | 3.25 in | 38.00 in | 5.88 in | 34.75 in | 0.50 in | 34.00 in | Specified by purchaser | 540 lb | 40.50 in | 32 | 1.62 in |
| EG-F-071-006 | 36 | 46.00 in | 3.56 in | 40.25 in | 6.19 in | 36.75 in | 0.50 in | 36.00 in | Specified by purchaser | 640 lb | 42.75 in | 32 | 1.62 in |
| EG-F-071-007 | 38 | 48.75 in | 3.44 in | 42.25 in | 6.19 in | 39.00 in | 0.50 in | 38.00 in | Specified by purchaser | 720 lb | 45.25 in | 32 | 1.62 in |
| EG-F-071-008 | 40 | 50.75 in | 3.56 in | 44.25 in | 6.44 in | 41.00 in | 0.50 in | 40.00 in | Specified by purchaser | 775 lb | 47.25 in | 36 | 1.62 in |
| EG-F-071-009 | 42 | 53.00 in | 3.81 in | 47.00 in | 6.75 in | 43.00 in | 0.50 in | 42.00 in | Specified by purchaser | 890 lb | 49.50 in | 36 | 1.62 in |
| EG-F-071-010 | 44 | 55.25 in | 4.00 in | 49.00 in | 7.00 in | 45.00 in | 0.50 in | 44.00 in | Specified by purchaser | 990 lb | 51.75 in | 40 | 1.62 in |
| EG-F-071-011 | 46 | 57.25 in | 4.06 in | 51.00 in | 7.31 in | 47.12 in | 0.50 in | 46.00 in | Specified by purchaser | 1060 lb | 53.75 in | 40 | 1.62 in |
| EG-F-071-012 | 48 | 59.50 in | 4.25 in | 53.50 in | 7.56 in | 49.12 in | 0.50 in | 48.00 in | Specified by purchaser | 1185 lb | 56.00 in | 44 | 1.62 in |
| EG-F-071-013 | 50 | 61.75 in | 4.38 in | 55.50 in | 8.00 in | 51.25 in | 0.50 in | 50.00 in | Specified by purchaser | 1270 lb | 58.25 in | 44 | 1.88 in |
| EG-F-071-014 | 52 | 64.00 in | 4.56 in | 57.50 in | 8.25 in | 53.25 in | 0.50 in | 52.00 in | Specified by purchaser | 1410 lb | 60.50 in | 44 | 1.88 in |
| EG-F-071-015 | 54 | 66.25 in | 4.75 in | 59.50 in | 8.50 in | 55.25 in | 0.50 in | 54.00 in | Specified by purchaser | 1585 lb | 62.75 in | 44 | 1.88 in |
| EG-F-071-016 | 56 | 68.75 in | 4.88 in | 62.00 in | 9.00 in | 57.38 in | 0.50 in | 56.00 in | Specified by purchaser | 1760 lb | 65.00 in | 48 | 1.88 in |
| EG-F-071-017 | 58 | 71.00 in | 5.06 in | 64.00 in | 9.25 in | 59.38 in | 0.50 in | 58.00 in | Specified by purchaser | 1915 lb | 67.25 in | 48 | 1.88 in |
| EG-F-071-018 | 60 | 73.00 in | 5.19 in | 66.00 in | 9.44 in | 61.38 in | 0.50 in | 60.00 in | Specified by purchaser | 2045 lb | 69.25 in | 52 | 1.88 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.