EG-F-091

ASME B16.47 Class 900 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-091-001	26	40.25 in	5.31 in	30.00 in	10.19 in	29.25 in	0.44 in	26.00 in	Specified by purchaser	1050 lb	35.50 in	20	2.62 in
EG-F-091-002	28	43.50 in	5.81 in	32.25 in	10.88 in	31.38 in	0.50 in	28.00 in	Specified by purchaser	1520 lb	38.25 in	20	2.88 in
EG-F-091-003	30	46.50 in	6.12 in	34.50 in	11.38 in	33.50 in	0.50 in	30.00 in	Specified by purchaser	1820 lb	40.75 in	20	3.12 in
EG-F-091-004	32	48.75 in	6.31 in	36.50 in	11.94 in	35.75 in	0.50 in	32.00 in	Specified by purchaser	2065 lb	43.00 in	20	3.12 in
EG-F-091-005	34	51.75 in	6.75 in	39.00 in	12.56 in	37.88 in	0.56 in	34.00 in	Specified by purchaser	2450 lb	45.50 in	20	3.38 in
EG-F-091-006	36	53.00 in	6.81 in	40.50 in	12.81 in	40.00 in	0.56 in	36.00 in	Specified by purchaser	2520 lb	47.25 in	24	3.12 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.