ANSI (ASME) B16.47 SERIES A FLANGE (MSS SP44)
CLASS 150

Flange Dimensions & Approximate Masses

ANSI B16.47 SERIES A CLASS 150 FLANGES DIMENSIONS TABLE
Nom Size	OD	Thickness		OD of RF	Dia at Base	Bore	LTH	Dia Bevel	Drilling				Weight
Nom Size	OD	Weld Neck	Blind	OD of RF	Dia at Base	Bore	LTH	Dia Bevel	Bolt Circle	Bolt Length	HoleDia	No. of Holes	Weld Neck	Blind
	O	C	C	R	X	B	Y	A		(1)	(2)
26	34.25	2.63	2.63	29.5	26.62		4.69	26	31.75	8.75	1.38	24	300	702
28	36.5	2.75	2.75	31.5	28.62		4.88	28	34	9	1.38	28	345	833
30	38.75	2.88	2.88	33.75	30.75		5.32	30	36	9.25	1.38	28	400	982
32	41.75	3.13	3.13	36	32.75		5.63	32	38.5	10.5	1.62	28	505	1237
34	43.75	3.19	3.19	38	34.75		5.82	34	40.5	10.5	1.62	32	540	1384
36	46	3.5	3.5	40.25	36.75		6.13	36	42.75	11	1.62	32	640	1676
38	48.75	3.38	3.38	42.25	39		6.13	38	45.25	11	1.62	32	720	1819
40	50.75	3.5	3.5	44.25	41		6.38	40	47.25	11	1.62	36	775	2040
42	53	3.75	3.75	47	43		6.69	42	49.5	11.5	1.62	36	890	2381
44	55.25	3.94	3.94	49	45		6.94	44	51.75	12	1.62	40	990	2717
46	57.25	4	4	51	47.12		7.25	46	53.75	12	1.62	40	1060	2961
48	59.5	4.19	4.19	53.5	49.12		7.5	48	56	12.5	1.62	44	1185	3348
50	61.75	4.32	4.32	55.5	51.25		7.94	50	58.25	13.25	1.88	44	1270	3716
52	64	4.5	4.5	57.5	53.25		8.19	52	60.5	13.75	1.88	44	1410	4156
54	66.25	4.69	4.69	59.5	55.25		8.44	54	62.75	14	1.88	44	1585	4639
56	68.75	4.82	4.82	62	57.38		8.94	56	65	14.25	1.88	48	1760	5132
58	71	5	5	64	59.38		9.19	58	67.25	14.75	1.88	48	1915	5675
60	73	5.13	5.13	66	61.38		9.38	60	69.25	15	1.88	52	2045	6154

* Dimensions are in inches. Weights are in pounds.
* (1)- Bolt lenghts 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.

Flange Size

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MSS SP44 Flange

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MSS SP44 Flange

MSS SP44 Flange

ANSI (ASME) B16.47 SERIES A FLANGE (MSS SP44)
CLASS 150

Flange Dimensions & Approximate Masses

ANSI B16.47 SERIES A CLASS 150 FLANGES DIMENSIONS TABLE
Nom Size	OD	Thickness		OD of RF	Dia at Base	Bore	LTH	Dia Bevel	Drilling				Weight
Nom Size	OD	Weld Neck	Blind	OD of RF	Dia at Base	Bore	LTH	Dia Bevel	Bolt Circle	Bolt Length	HoleDia	No. of Holes	Weld Neck	Blind
	O	C	C	R	X	B	Y	A		(1)	(2)
26	34.25	2.63	2.63	29.5	26.62		4.69	26	31.75	8.75	1.38	24	300	702
28	36.5	2.75	2.75	31.5	28.62		4.88	28	34	9	1.38	28	345	833
30	38.75	2.88	2.88	33.75	30.75		5.32	30	36	9.25	1.38	28	400	982
32	41.75	3.13	3.13	36	32.75		5.63	32	38.5	10.5	1.62	28	505	1237
34	43.75	3.19	3.19	38	34.75		5.82	34	40.5	10.5	1.62	32	540	1384
36	46	3.5	3.5	40.25	36.75		6.13	36	42.75	11	1.62	32	640	1676
38	48.75	3.38	3.38	42.25	39		6.13	38	45.25	11	1.62	32	720	1819
40	50.75	3.5	3.5	44.25	41		6.38	40	47.25	11	1.62	36	775	2040
42	53	3.75	3.75	47	43		6.69	42	49.5	11.5	1.62	36	890	2381
44	55.25	3.94	3.94	49	45		6.94	44	51.75	12	1.62	40	990	2717
46	57.25	4	4	51	47.12		7.25	46	53.75	12	1.62	40	1060	2961
48	59.5	4.19	4.19	53.5	49.12		7.5	48	56	12.5	1.62	44	1185	3348
50	61.75	4.32	4.32	55.5	51.25		7.94	50	58.25	13.25	1.88	44	1270	3716
52	64	4.5	4.5	57.5	53.25		8.19	52	60.5	13.75	1.88	44	1410	4156
54	66.25	4.69	4.69	59.5	55.25		8.44	54	62.75	14	1.88	44	1585	4639
56	68.75	4.82	4.82	62	57.38		8.94	56	65	14.25	1.88	48	1760	5132
58	71	5	5	64	59.38		9.19	58	67.25	14.75	1.88	48	1915	5675
60	73	5.13	5.13	66	61.38		9.38	60	69.25	15	1.88	52	2045	6154

* Dimensions are in inches. Weights are in pounds.
* (1)- Bolt lenghts 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.

ANSI (ASME) B16.47 SERIES A FLANGE (MSS SP44)CLASS 150

ANSI (ASME) B16.47 SERIES A FLANGE (MSS SP44)CLASS 150

ANSI (ASME) B16.47 SERIES A FLANGE (MSS SP44)
CLASS 150

ANSI (ASME) B16.47 SERIES A FLANGE (MSS SP44)
CLASS 150