ASME B16.47 Class 150 Series A Welding Neck Flanges Minimum Radius 0.38-0.5 in

Product Details

EO Flanges can offer a comprehensive range of Welding Neck Flanges for the right technical solution. We can also manufacture Weld neck flanges ANSI/DIN/GOST grades as per our customer budget; we enjoy the reputation supplying Welding Neck flanges at cheapest in steel industries around the globe. The Welding neck flanges is normally referred to as the high hub flange. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. The welding neck flange is the best designed butt-welded flange of those currently available because of its inherent structural value. It is expensive because of the design.

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ASME B16.47 Class 150 Series A Welding Neck Flanges
Nominal Pipe Size	Outside Diameter (O)	Minimum Thickness (T)	Raised Face Diameter (R)	Length Thru Hub (Y)	Hub Diameter (X)	Minimum Fillet Radius (r)	Top of Hub (A)	Bore (B)	Approximate Weight (lbs)	Bolt Circle (C)	Number of Holes	Diameter of Holes
26	34.25	2.69	29.5	4.75	26.62	0.38	26	Specified by purchaser	300	31.75	24	1.38
28	36.5	2.81	31.5	4.94	28.62	0.44	28	Specified by purchaser	345	34	28	1.38
30	38.75	2.94	33.75	5.38	30.75	0.44	30	Specified by purchaser	400	36	28	1.38
32	41.75	3.19	36	5.69	32.75	0.44	32	Specified by purchaser	505	38.5	28	1.62
34	43.75	3.25	38	5.88	34.75	0.5	34	Specified by purchaser	540	40.5	32	1.62
36	46	3.56	40.25	6.19	36.75	0.5	36	Specified by purchaser	640	42.75	32	1.62
38	48.75	3.44	42.25	6.19	39	0.5	38	Specified by purchaser	720	45.25	32	1.62
40	50.75	3.56	44.25	6.44	41	0.5	40	Specified by purchaser	775	47.25	36	1.62
42	53	3.81	47	6.75	43	0.5	42	Specified by purchaser	890	49.5	36	1.62
44	55.25	4	49	7	45	0.5	44	Specified by purchaser	990	51.75	40	1.62
46	57.25	4.06	51	7.31	47.12	0.5	46	Specified by purchaser	1060	53.75	40	1.62
48	59.5	4.25	53.5	7.56	49.12	0.5	48	Specified by purchaser	1185	56	44	1.62
50	61.75	4.38	55.5	8	51.25	0.5	50	Specified by purchaser	1270	58.25	44	1.88
52	64	4.56	57.5	8.25	53.25	0.5	52	Specified by purchaser	1410	60.5	44	1.88
54	66.25	4.75	59.5	8.5	55.25	0.5	54	Specified by purchaser	1585	62.75	44	1.88
56	68.75	4.88	62	9	57.38	0.5	56	Specified by purchaser	1760	65	48	1.88
58	71	5.06	64	9.25	59.38	0.5	58	Specified by purchaser	1915	67.25	48	1.88
60	73	5.19	66	9.44	61.38	0.5	60	Specified by purchaser	2045	69.25	52	1.88

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