ANSI B16.47 Series B Class 400 Flanges

**ANSI B16.47 Series B Class 400 Flanges**

Series B 400 Weld Neck Flange	Series B 400 Blind Flange

B16.47 Series B Class 400 Weld Neck & Blind
Weld Neck									Blind

Nom Size		Thickness							Drilling				Weight
	OD	Weld Neck	Blind	OD of RF	Dia at Base	Bore	LTH	Dia Bevel	Bolt Circle	Bolt Length	Hole Dia	# of Holes	Weld Neck	Blind
	O	C	C	R	X	B	Y	A		(1)	(2)
26	33.50	3.50	3.50	28.00	27.12		5.88	26.00	30.75	11.25	1.50	28	360	874
28	36.00	3.75	3.75	30.00	29.12		6.25	28.00	33.00	12.00	1.62	24	450	1081
30	38.25	4.00	4.00	32.25	31.25		6.69	30.00	35.25	12.50	1.62	28	530	1302
32	40.75	4.25	4.25	34.38	33.25		7.06	32.00	37.50	13.25	1.75	28	635	1570
34	42.75	4.38	4.38	36.50	35.38		7.38	34.00	39.50	13.50	1.75	32	690	1781
36	45.50	4.69	4.69	38.62	37.50		7.88	36.00	42.00	14.50	1.88	28	855	2160
38	47.50	4.88	4.88	40.75	39.50		8.12	38.00	44.00	14.75	1.88	32	935	2450
40	50.00	5.12	5.12	43.00	41.50		8.50	40.00	46.25	15.50	2.00	32	1090	2848
42	52.00	5.25	5.25	45.00	43.62		8.81	42.00	48.25	15.75	2.00	32	1190	3159
44	54.50	5.50	5.50	47.25	45.62		9.18	44.00	50.50	16.50	2.12	32	1375	3635
46	56.75	5.75	5.75	49.50	47.75		9.62	46.00	52.75	17.00	2.12	36	1525	4120
48	59.50	6.00	6.00	51.50	49.88		10.12	48.00	55.25	18.00	2.38	28	1790	4726
50	61.75	6.19	6.25	53.62	52.00		10.56	50.00	57.50	18.50	2.38	32	1950	5303
52	63.75	6.38	6.44	55.62	54.00		10.88	52.00	59.50	18.75	2.38	32	2125	5823
54	67.00	6.69	6.75	57.88	56.12		11.38	54.00	62.25	20.00	2.62	28	2565	6742
56	69.00	6.88	6.94	60.12	58.25		11.75	56.00	64.25	20.25	2.62	32	2710	7352
58	71.00	7.00	7.12	62.12	60.25		12.06	58.00	66.25	20.50	2.62	32	3230	7986
60	74.25	7.31	7.44	64.38	62.38		12.56	60.00	69.00	21.75	2.88	32	3820	9126
Dimensions are in inches. Weights are in pounds.

(1)Bolt lengths are calculated based on bolting one WN to one blind.
(2) Bolt diameter should be 1/8" less than the bolt hole diameter.

Note:
Larger sizes as well as intermediate sizes can be furnished.

Texas FLANGE Sales Office 800-826-3801