Dimension of Class 150 Full Face Gaskets - ASME B16.47 Series B Flanges

Dimensions of Class 150 Full Face Gaskets (above 24 inches) as per ASME B16.21 to Suit ASME B16.47 Series B Flanges.

Full Face Gasket Dimensions

Nominal Pipe Size (NPS)	Inside Diameter (ID)		Outside Diameter (OD)		No. of Bolt Holes	Bolt Hole Diameter (inches)	Bolt Circle Diameter (BCD)
Nominal Pipe Size (NPS)	inches	mm	inches	mm	No. of Bolt Holes	Bolt Hole Diameter (inches)	inches	mm
26	26.00	660	30.94	786	36	0.88	29.31	744.5
28	28.00	711	32.94	837	40	0.88	31.31	795.3
30	30.00	762	34.94	887	44	0.88	33.31	846.1
32	32.00	813	37.06	941	48	0.88	35.44	900.2
34	34.00	864	39.56	1005	40	1.00	37.69	957.3
36	36.00	914	41.63	1057	44	1.00	39.75	1009.7
38	38.00	965	44.25	1124	40	1.13	42.13	1070.1
40	40.00	1016	46.25	1175	44	1.13	44.13	1120.9
42	42.00	1067	48.25	1226	48	1.13	46.13	1171.7
44	44.00	1118	50.25	1276	52	1.13	48.13	1222.5
46	46.00	1168	52.81	1341	40	1.25	50.56	1284.2
48	48.00	1219	54.81	1392	44	1.25	52.56	1335.0
50	50.00	1270	56.81	1443	48	1.25	54.56	1385.8
52	52.00	1321	58.81	1494	52	1.25	56.56	1436.6
54	54.00	1372	61.00	1549	56	1.25	58.75	1492.3
56	56.00	1422	63.00	1600	60	1.25	60.75	1543.1
58	58.00	1473	65.94	1675	48	1.38	63.44	1611.4
60	60.00	1524	67.94	1726	52	1.38	65.44	1662.2