Products / Flanges / Industry Standard

EG-F-063

Industry Standard Class 175 Blind Flanges

Solid flange for closing a flanged opening. Match the class, facing and bolt pattern of the mating flange.

SeriesIndustry Standard
Class175
Size rangeNPS 26–96
Size entries20
Industry Standard Class 175 Blind Flanges

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

Dimension key

Dimension symbols for Industry Standard Class 175 Blind 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)Approx. weightBolt circle (C)Bolt holesHole diameter
EG-F-063-0012631.50 in1.78 in29.00 in405 lb29.88 in280.88 in
EG-F-063-0022833.50 in2.00 in31.00 in490 lb31.88 in280.88 in
EG-F-063-0033035.75 in2.13 in33.25 in590 lb34.13 in360.88 in
EG-F-063-0043237.75 in2.25 in35.25 in700 lb36.13 in360.88 in
EG-F-063-0053440.25 in2.38 in37.38 in840 lb38.38 in361.00 in
EG-F-063-0063642.25 in2.50 in39.38 in970 lb40.38 in361.00 in
EG-F-063-0073844.25 in2.63 in41.38 in1125 lb42.38 in361.00 in
EG-F-063-0084046.25 in2.75 in43.38 in1300 lb44.38 in401.00 in
EG-F-063-0094249.00 in2.88 in45.75 in1500 lb46.88 in401.13 in
EG-F-063-0104451.00 in3.00 in47.75 in1700 lb48.88 in401.13 in
EG-F-063-0114653.00 in3.13 in49.75 in1925 lb50.88 in401.13 in
EG-F-063-0124855.00 in3.38 in51.75 in2225 lb52.88 in441.13 in
EG-F-063-0135057.00 in3.38 in53.75 in2400 lb54.88 in441.13 in
EG-F-063-0145259.50 in3.63 in56.00 in2800 lb57.25 in441.25 in
EG-F-063-0155461.50 in3.63 in58.00 in3000 lb59.25 in441.25 in
EG-F-063-0166067.50 in4.00 in64.00 in4000 lb65.25 in481.25 in
EG-F-063-0176673.50 in4.38 in70.00 in5175 lb71.25 in561.25 in
EG-F-063-0187280.00 in4.75 in76.50 in6650 lb77.75 in641.25 in
EG-F-063-0198494.00 in5.50 in90.13 in10815 lb91.50 in721.38 in
EG-F-063-02096106.00 in6.13 in102.13 in15325 lb103.50 in881.38 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.