EG-F-087

ASME B16.47 Class 400 Series B Weld Neck Flanges

Butt-weld connection with a tapered hub. Specify the bore to suit the connected pipe.

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

Dimension key

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)	Min. thickness (T)	RF diameter (R)	Length through hub (Y)	Hub OD (X)	Min. fillet radius (r)	Hub top OD (A)	Bore (B)	Approx. weight	Bolt circle (C)	Bolt holes	Hole diameter
EG-F-087-001	26	33.50 in	3.50 in	28.00 in	5.88 in	27.12 in	0.44 in	26.00 in	Specified by purchaser	360 lb	30.75 in	28	1.50 in
EG-F-087-002	28	36.00 in	3.75 in	30.00 in	6.25 in	29.12 in	0.50 in	28.00 in	Specified by purchaser	450 lb	33.00 in	24	1.62 in
EG-F-087-003	30	38.25 in	4.00 in	32.25 in	6.69 in	31.25 in	0.50 in	30.00 in	Specified by purchaser	530 lb	35.25 in	28	1.62 in
EG-F-087-004	32	40.75 in	4.25 in	34.38 in	7.06 in	33.25 in	0.50 in	32.00 in	Specified by purchaser	635 lb	37.50 in	28	1.75 in
EG-F-087-005	34	42.75 in	4.38 in	36.50 in	7.38 in	35.38 in	0.56 in	34.00 in	Specified by purchaser	690 lb	39.50 in	32	1.75 in
EG-F-087-006	36	45.50 in	4.69 in	38.62 in	7.88 in	37.50 in	0.56 in	36.00 in	Specified by purchaser	855 lb	42.00 in	28	1.88 in

The listed base dimensions exclude the 1/4 in raised face; include it when checking the finished thickness and overall height.

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.

Send the standard, class, size, material and quantity. Add a drawing for custom requirements.