Figure 8 Flange Dimensions

NPS	Webwidth – W	Thickness – t	Inside Diameter – B	Outside Diameter – O	Centerline Dimension – A
1	38	3.0	27	64	80
11⁄4	38	6.4	42	73	90
11⁄2	38	6.4	48	83	100
1⁄2	38	3.0	16	45	60
3⁄4	38	3.0	21	54	70
2	51	6.4	61	102	120
21⁄2	51	6.4	73	107	140
5	76	9.7	141	194	215
6	76	12.7	168	219	240
8	76	12.7	219	276	300
10	102	15.7	273	337	360
12	102	19.1	324	406	430
3	64	6.4	89	133	150
31⁄2	64	9.7	102	159	175
18	114	25.4	457	546	580
20	121	28.4	508	603	635
24	140	31.8	610	714	750
4	64	9.7	114	172	190
14	108	19.1	356	448	475
16	108	22.4	406	511	460