EG-F-052
Industry Standard Class 75 Weld Neck Flanges
Butt-weld connection with a tapered hub. Specify the bore to suit the connected pipe.
| Series | Industry Standard |
| Class | 75 |
| Size range | NPS 26–72 |
| 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-052-001 | 26 | 31.50 in | 1.25 in | 28.63 in | 3.00 in | 27.13 in | 26.00 in | Specified by purchaser | 98 lb | 29.63 in | 32 | 1.00 in |
| EG-F-052-002 | 28 | 33.50 in | 1.25 in | 30.63 in | 3.00 in | 29.13 in | 28.00 in | Specified by purchaser | 105 lb | 31.63 in | 36 | 1.00 in |
| EG-F-052-003 | 30 | 35.50 in | 1.25 in | 32.63 in | 3.00 in | 31.13 in | 30.00 in | Specified by purchaser | 110 lb | 33.63 in | 36 | 1.00 in |
| EG-F-052-004 | 32 | 38.25 in | 1.25 in | 35.00 in | 3.25 in | 33.38 in | 32.00 in | Specified by purchaser | 140 lb | 36.13 in | 36 | 1.13 in |
| EG-F-052-005 | 34 | 40.25 in | 1.25 in | 37.00 in | 3.25 in | 35.38 in | 34.00 in | Specified by purchaser | 150 lb | 38.13 in | 40 | 1.13 in |
| EG-F-052-006 | 36 | 42.25 in | 1.25 in | 39.00 in | 3.25 in | 37.38 in | 36.00 in | Specified by purchaser | 160 lb | 40.13 in | 40 | 1.13 in |
| EG-F-052-007 | 42 | 49.00 in | 1.25 in | 45.50 in | 3.50 in | 43.75 in | 42.00 in | Specified by purchaser | 210 lb | 46.75 in | 48 | 1.25 in |
| EG-F-052-008 | 48 | 55.00 in | 1.25 in | 51.50 in | 3.75 in | 49.75 in | 48.00 in | Specified by purchaser | 240 lb | 52.75 in | 52 | 1.25 in |
| EG-F-052-009 | 54 | 61.25 in | 1.38 in | 57.75 in | 4.00 in | 56.00 in | 54.00 in | Specified by purchaser | 310 lb | 59.00 in | 64 | 1.25 in |
| EG-F-052-010 | 60 | 67.25 in | 1.63 in | 63.75 in | 4.38 in | 62.00 in | 60.00 in | Specified by purchaser | 400 lb | 65.00 in | 72 | 1.25 in |
| EG-F-052-011 | 66 | 74.00 in | 1.88 in | 70.13 in | 4.88 in | 68.00 in | 66.00 in | Specified by purchaser | 560 lb | 71.50 in | 72 | 1.38 in |
| EG-F-052-012 | 72 | 80.00 in | 2.25 in | 76.13 in | 5.25 in | 74.00 in | 72.00 in | Specified by purchaser | 700 lb | 77.50 in | 80 | 1.38 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.
