EG-F-074
ASME B16.47 Class 300 Series A Blind Flanges
Solid flange for closing a flanged opening. Match the class, facing and bolt pattern of the mating flange.
| Series | ASME B16.47 · Series A |
| 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) | Thickness (T) | RF diameter (R) | Approx. weight | Bolt circle (C) | Bolt holes | Hole diameter |
|---|---|---|---|---|---|---|---|---|
| EG-F-074-001 | 26 | 38.25 in | 3.31 in | 29.50 in | 1079 lb | 34.50 in | 28 | 1.75 in |
| EG-F-074-002 | 28 | 40.75 in | 3.56 in | 31.50 in | 1315 lb | 37.00 in | 28 | 1.75 in |
| EG-F-074-003 | 30 | 43.00 in | 3.75 in | 33.75 in | 1545 lb | 39.25 in | 28 | 1.88 in |
| EG-F-074-004 | 32 | 45.25 in | 3.94 in | 36.00 in | 1795 lb | 41.50 in | 28 | 2.00 in |
| EG-F-074-005 | 34 | 47.50 in | 4.12 in | 38.00 in | 2068 lb | 43.50 in | 28 | 2.00 in |
| EG-F-074-006 | 36 | 50.00 in | 4.38 in | 40.25 in | 2435 lb | 46.00 in | 32 | 2.12 in |
| EG-F-074-007 | 38 | 46.00 in | 4.25 in | 40.50 in | 2001 lb | 43.00 in | 32 | 1.62 in |
| EG-F-074-008 | 40 | 48.75 in | 4.50 in | 42.75 in | 2380 lb | 45.50 in | 32 | 1.75 in |
| EG-F-074-009 | 42 | 50.75 in | 4.69 in | 44.75 in | 2689 lb | 47.50 in | 32 | 1.75 in |
| EG-F-074-010 | 44 | 53.25 in | 4.88 in | 47.00 in | 3079 lb | 49.75 in | 32 | 1.88 in |
| EG-F-074-011 | 46 | 55.75 in | 5.06 in | 49.00 in | 3500 lb | 52.00 in | 28 | 2.00 in |
| EG-F-074-012 | 48 | 57.75 in | 5.25 in | 51.25 in | 3896 lb | 54.00 in | 32 | 2.00 in |
| EG-F-074-013 | 50 | 60.25 in | 5.50 in | 53.50 in | 4442 lb | 56.25 in | 32 | 2.12 in |
| EG-F-074-014 | 52 | 62.25 in | 5.69 in | 55.50 in | 4906 lb | 58.25 in | 32 | 2.12 in |
| EG-F-074-015 | 54 | 65.25 in | 6.00 in | 57.75 in | 5684 lb | 61.00 in | 28 | 2.38 in |
| EG-F-074-016 | 56 | 67.25 in | 6.06 in | 59.75 in | 6099 lb | 63.00 in | 28 | 2.38 in |
| EG-F-074-017 | 58 | 69.25 in | 6.25 in | 62.00 in | 6669 lb | 65.00 in | 32 | 2.38 in |
| EG-F-074-018 | 60 | 71.25 in | 6.44 in | 64.00 in | 7274 lb | 67.00 in | 32 | 2.38 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.
