Flange – Weld Neck, ANSI Class 150, ASME B16.47 Series A, 1/16″ Raised Face (in)

Dimensions and tolerances in accordance with ANSI/ASME B16.47 for sizes 26″ to 60″.
Carbon steel forgings in accordance with ASTM A105.
Bolt circle diameters are 1/8 inch larger than bolt diameter.

Pipe Size(NPS)	OutsideDiameter of Flange A	Diameterof Raised Face B	Thicknessof Flange C	Diameterof Bore D	Diameterof Hub at Weld H	Diameterof Hub at Base J	Lengthof Hub K	Numberof Bolt Holes	Diameterof Bolt Holes	BoltCircle Diameter P	Approx.Weight (lb)
26	34 1/4	29 1/2	2 11/16	*	26	26 5/8	4 3/4	24	1 3/8	31 3/4	300
28	36 1/2	31 1/2	2 13/16	*	28	28 5/8	4 15/16	28	1 3/8	34	345
30	38 3/4	33 3/4	2 15/16	*	30	30 3/4	5 3/8	28	1 3/8	36	400
32	41 3/4	36	3 3/16	*	32	32 3/4	5 11/16	28	1 5/8	38 1/2	505
34	43 3/4	38	3 1/4	*	34	34 3/4	5 7/8	32	1 5/8	40 1/2	540
36	46	40 1/4	3 9/16	*	36	36 3/4	6 3/16	32	1 5/8	42 3/4	640
38	48 3/4	42 1/4	3 7/16	*	38	39	6 3/16	32	1 5/8	45 1/4	720
40	50 3/4	44 1/4	3 9/16	*	40	41	6 7/16	36	1 5/8	47 1/4	775
42	53	47	3 13/16	*	42	43	6 3/4	36	1 5/8	49 1/2	890
44	55 1/4	49	4	*	44	45	7	40	1 5/8	51 3/4	990
46	57 1/4	51	4 1/16	*	46	47 1/8	7 5/16	40	1 5/8	53 1/4	1060
48	59 1/2	53 1/2	10 1/4	*	48	49 1/8	7 9/16	44	1 5/8	56	1185
50	61 3/4	55 1/2	4 3/8	*	50	51 1/4	8	44	1 7/8	58 1/4	1270
52	64	57 1/2	4 9/16	*	52	53 1/4	8 1/4	44	1 7/8	60 1/2	1410
54	66 1/4	59 1/2	4 3/4	*	54	55 1/4	8 1/2	44	1 7/8	62 3/4	1585
56	68 3/4	62	4 7/8	*	56	57 3/8	9	48	1 7/8	65	1760
58	71	64	5 1/16	*	58	59 3/8	9 1/4	48	1 7/8	67 1/4	1915
60	73	66	5 3/16	*	60	61 3/8	9 7/16	52	1 7/8	69 1/4	2045