ANSI B16.47 Series B Class 300 Flanges

Find the dimensions (in inches)

		Thickness							Drilling				Weight
Nom Size	OD	Weld Neck	Blind	OD of RF	Dia at Base	Bore	LTH	Dia Bevel	Bolt Circle	Bolt Length	HoleDia	# of Holes	Weld Neck	Blind
	O	C	C	R	X	B	L2	A		(1)	(2)
26	34.12	3.44	3.44	29	27.62		5.63	26.19	31.62	10.5	1.38	32	400	907
28	36.25	3.44	3.44	31	29.75		5.81	28.19	33.75	10.5	1.38	36	450	1023
30	39	3.63	3.63	33.25	32		6.16	30.25	36.25	11.25	1.5	36	550	1249
32	41.5	4	4	35.5	34		6.56	32.25	38.5	12	1.62	32	685	1556
34	43.62	4	4	37.5	36.12		6.75	34.25	40.62	12	1.62	36	750	1719
36	46.12	4	4	39.75	38		7.06	36.25	42.88	12.5	1.75	32	840	1921
38	48.12	4.31	4.31	41.75	40		7.50	38.25	44.88	13	1.75	36	915	2257
40	50.12	4.5	4.5	43.88	42		7.75	40.25	46.88	13.5	1.75	40	990	2549
42	52.5	4.63	4.63	46	44		8	42.31	49	14	1.88	36	1135	2876
44	54.5	4.94	4.94	48	46.19		8.38	44.31	51	14.5	1.88	40	1235	3304
46	57.5	5	5.06	50	48.38		8.69	46.31	53.75	15	2	36	1470	3766
48	59.5	5	5.25	52.25	50.31		8.75	48.31	55.75	15.25	2	40	1575	4183
50	61.5	5.38	5.44	54.25	52.38		9.19	50.31	57.75	15.75	2	44	1710	4629
52	63.5	5.56	5.61	56.25	54.44		9.5	52.31	59.75	16	2	48	1840	5096
54	65.88	5.32	5.81	58.25	56.5		9.38	54.31	62.12	16	2	48	1980	5678
56	69.5	6	6.12	60.5	58.81		10.50	56.31	65	17.75	2.38	36	2595	6642
58	71.94	6	6.31	62.75	60.94		10.75	58.31	67.44	18	2.38	40	2770	7347
60	73.94	5.88	6.5	65	62.94		10.63	60.31	69.44	18	2.38	40	2870	7980