EG-F-055
Industry Standard Class 125 Lightweight Blind Flanges
Solid flange for closing a flanged opening. Match the class, facing and bolt pattern of the mating flange.
| Series | Industry Standard |
| Class | 125 |
| Size range | NPS 4–96 |
| Size entries | 34 |
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) | Approx. weight | Bolt holes | Hole diameter | Bolt circle (C) |
|---|---|---|---|---|---|---|---|
| EG-F-055-001 | 4 | 9.00 in | 0.50 in | 10 lb | 8 | 0.75 in | 7.50 in |
| EG-F-055-002 | 5 | 10.00 in | 0.56 in | 12 lb | 8 | 0.88 in | 8.50 in |
| EG-F-055-003 | 6 | 11.00 in | 0.56 in | 15 lb | 8 | 0.88 in | 9.50 in |
| EG-F-055-004 | 8 | 13.50 in | 0.56 in | 22 lb | 8 | 0.88 in | 11.75 in |
| EG-F-055-005 | 10 | 16.00 in | 0.69 in | 37 lb | 12 | 1.00 in | 14.25 in |
| EG-F-055-006 | 12 | 19.00 in | 0.69 in | 54 lb | 12 | 1.00 in | 17.00 in |
| EG-F-055-007 | 14 | 21.00 in | 0.75 in | 71 lb | 12 | 1.13 in | 18.75 in |
| EG-F-055-008 | 16 | 23.50 in | 0.75 in | 89 lb | 16 | 1.13 in | 21.25 in |
| EG-F-055-009 | 18 | 25.00 in | 0.75 in | 100 lb | 16 | 1.25 in | 22.75 in |
| EG-F-055-010 | 20 | 27.50 in | 0.75 in | 121 lb | 20 | 1.25 in | 25.00 in |
| EG-F-055-011 | 22 | 29.50 in | 1.00 in | 185 lb | 20 | 1.38 in | 27.25 in |
| EG-F-055-012 | 24 | 32.00 in | 1.00 in | 220 lb | 20 | 1.38 in | 29.50 in |
| EG-F-055-013 | 26 | 34.25 in | 1.00 in | 251 lb | 24 | 1.38 in | 31.75 in |
| EG-F-055-014 | 28 | 36.50 in | 1.00 in | 285 lb | 28 | 1.38 in | 34.00 in |
| EG-F-055-015 | 30 | 38.75 in | 1.00 in | 322 lb | 28 | 1.38 in | 36.00 in |
| EG-F-055-016 | 32 | 41.75 in | 1.13 in | 418 lb | 28 | 1.63 in | 38.50 in |
| EG-F-055-017 | 34 | 43.75 in | 1.13 in | 458 lb | 32 | 1.63 in | 40.50 in |
| EG-F-055-018 | 36 | 46.00 in | 1.13 in | 508 lb | 32 | 1.63 in | 42.75 in |
| EG-F-055-019 | 38 | 48.75 in | 1.13 in | 575 lb | 32 | 1.63 in | 45.25 in |
| EG-F-055-020 | 40 | 50.75 in | 1.13 in | 620 lb | 36 | 1.63 in | 47.25 in |
| EG-F-055-021 | 42 | 53.00 in | 1.25 in | 755 lb | 36 | 1.63 in | 49.50 in |
| EG-F-055-022 | 44 | 55.25 in | 1.25 in | 820 lb | 40 | 1.63 in | 51.75 in |
| EG-F-055-023 | 46 | 57.25 in | 1.25 in | 882 lb | 40 | 1.63 in | 53.75 in |
| EG-F-055-024 | 48 | 59.50 in | 1.38 in | 1050 lb | 44 | 1.63 in | 56.00 in |
| EG-F-055-025 | 50 | 61.75 in | 1.38 in | 1120 lb | 44 | 1.88 in | 58.25 in |
| EG-F-055-026 | 52 | 64.00 in | 1.38 in | 1205 lb | 44 | 1.88 in | 60.50 in |
| EG-F-055-027 | 54 | 66.25 in | 1.38 in | 1300 lb | 44 | 1.88 in | 62.75 in |
| EG-F-055-028 | 60 | 73.00 in | 1.50 in | 1725 lb | 52 | 1.88 in | 69.25 in |
| EG-F-055-029 | 66 | 80.00 in | 1.50 in | 2075 lb | 52 | 1.88 in | 76.00 in |
| EG-F-055-030 | 72 | 86.50 in | 1.50 in | 3280 lb | 60 | 1.88 in | 82.50 in |
| EG-F-055-031 | 78 | 93.00 in | 1.75 in | 3280 lb | 64 | 2.13 in | 89.00 in |
| EG-F-055-032 | 84 | 99.75 in | 1.75 in | 3761 lb | 64 | 2.13 in | 95.50 in |
| EG-F-055-033 | 90 | 106.50 in | 2.00 in | 4866 lb | 68 | 2.38 in | 102.00 in |
| EG-F-055-034 | 96 | 113.25 in | 2.00 in | 5527 lb | 68 | 2.38 in | 108.50 in |
Selection notes
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.