Flange - Weld Neck, ANSI Class 400, B16.47 Series A (in)

on 18 February 2016. Posted in Weld Neck Flange Datasheets

Flange - Weld Neck, ANSI Class 400, B16.47 Series A (in) Dimensions to ASME B16.47 - Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard Bolt circle diameters are 1/8 inch larger than bolt diameter. * To be specified by purchaser.
Pipe Size (NPS)	Outside Diameter of Flange A	Diameter of Raised Face B	Thickness of Flange C	Diameter of Bore D	Diameter of Hub at Weld H	Diameter of Hub at Base J	Length of Hub K	Number of Bolt Holes	Diameter of Bolt Holes	Bolt Circle Diameter P	Approx. Weight (lb)
26	38 1/4	29 1/2	3 1/2	*	26	28 5/8	7 5/8	28	1 7/8	34 1/2	650
28	40 3/4	31 1/2	3 3/4	*	28	30 13/16	8 1/8	28	2	37	785
30	43	33 3/4	4	*	30	32 15/16	8 5/8	28	2 1/8	39 1/4	905
32	45 1/4	36	4 1/4	*	32	35	9 1/8	28	2 1/8	41 1/2	1065
34	47 1/2	38	4 3/8	*	34	37 3/16	9 1/2	28	2 1/8	43 1/2	1200
36	50	40 1/4	4 1/4	*	36	39 3/8	9 7/8	32	2 1/8	46	1340
38	47 1/2	40 3/4	4 1/8	*	38	39 1/2	8 1/8	32	1 7/8	44	935
40	50	43	5 1/8	*	40	41 1/2	8 1/2	32	2	46 1/4	1090
42	52	45	5 1/4	*	42	43 5/8	8 13/16	32	2	48 1/4	1190
44	54 1/2	47 1/4	5 1/2	*	44	45 5/8	8 3/16	32	2 1/8	50 1/2	1375
46	56 3/4	49 1/2	5 3/4	*	46	47 3/4	9 5/8	36	2 1/8	52 3/4	1525
48	59 1/2	51 1/2	6	*	48	49 7/8	10 1/8	28	2 3/8	55 1/4	1790
50	61 3/4	53 5/8	6 3/16	*	50	52	10 9/16	32	2 3/8	57 1/2	1950
52	63 3/4	55 5/8	6 3/8	*	52	54	10 7/8	32	2 3/8	59 1/2	2125
54	67	57 7/8	6 11/16	*	54	56 1/8	11 3/8	28	2 5/8	62 1/4	2565
56	69	60 1/8	6 1/8	*	56	58 1/4	11 3/4	32	2 5/8	64 1/4	2710
58	71	62 1/8	7	*	58	60 1/4	12 1/16	32	2 5/8	66 1/4	3230
60	71 1/4	64 3/8	7 5/16	*	60	62 3/8	12 9/16	32	2 7/8	69	3820

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