Products / Flanges / Industry Standard

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.

SeriesIndustry Standard
Class75
Size rangeNPS 26–72
Size entries12
Industry Standard Class 75 Weld Neck Flanges

Representative form. Refer to the size table for the selected dimensions.

Dimension key

Dimension symbols for Industry Standard Class 75 Weld Neck Flanges

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. weightBolt circle (C)Bolt holesHole diameter
EG-F-052-0012631.50 in1.25 in28.63 in3.00 in27.13 in26.00 inSpecified by purchaser98 lb29.63 in321.00 in
EG-F-052-0022833.50 in1.25 in30.63 in3.00 in29.13 in28.00 inSpecified by purchaser105 lb31.63 in361.00 in
EG-F-052-0033035.50 in1.25 in32.63 in3.00 in31.13 in30.00 inSpecified by purchaser110 lb33.63 in361.00 in
EG-F-052-0043238.25 in1.25 in35.00 in3.25 in33.38 in32.00 inSpecified by purchaser140 lb36.13 in361.13 in
EG-F-052-0053440.25 in1.25 in37.00 in3.25 in35.38 in34.00 inSpecified by purchaser150 lb38.13 in401.13 in
EG-F-052-0063642.25 in1.25 in39.00 in3.25 in37.38 in36.00 inSpecified by purchaser160 lb40.13 in401.13 in
EG-F-052-0074249.00 in1.25 in45.50 in3.50 in43.75 in42.00 inSpecified by purchaser210 lb46.75 in481.25 in
EG-F-052-0084855.00 in1.25 in51.50 in3.75 in49.75 in48.00 inSpecified by purchaser240 lb52.75 in521.25 in
EG-F-052-0095461.25 in1.38 in57.75 in4.00 in56.00 in54.00 inSpecified by purchaser310 lb59.00 in641.25 in
EG-F-052-0106067.25 in1.63 in63.75 in4.38 in62.00 in60.00 inSpecified by purchaser400 lb65.00 in721.25 in
EG-F-052-0116674.00 in1.88 in70.13 in4.88 in68.00 in66.00 inSpecified by purchaser560 lb71.50 in721.38 in
EG-F-052-0127280.00 in2.25 in76.13 in5.25 in74.00 in72.00 inSpecified by purchaser700 lb77.50 in801.38 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.