The Piping Engineering World

Inch Dimensions of Slip On Flange Rating 150 as per ASME B16.5

NPS	O Flange OD	tf Flange Thickness	X Hub Dia.	Y Hub Length	B Bore Dia
1/2	3.50	0.38	1.19	0.56	0.88
3/4	3.88	0.44	1.5	0.56	1.09
1	4.25	0.5	1.94	0.62	1.36
1-1/4	4.62	0.56	2.31	0.75	1.7
1-1/2	5.00	0.62	2.56	0.81	1.95
2	6.00	0.69	3.06	0.94	2.44
2-1/2	7.00	0.81	3.56	1.06	2.94
3	7.50	0.88	4.25	1.12	3.57
3-1/2	8.50	0.88	4.81	1.19	4.07
4	9.00	0.88	5.31	1.25	4.57
5	10.00	0.88	6.44	1.38	5.66
6	11.00	0.94	7.56	1.5	6.72
8	13.50	1.06	9.69	1.69	8.72
10	16.00	1.12	12	1.88	10.88
12	19.00	1.19	14.38	2.12	12.88
14	21.00	1.31	15.75	2.19	14.14
16	23.50	1.38	18	2.44	16.16
18	25.00	1.5	19.88	2.62	18.18
20	27.50	1.62	22	2.81	20.2
24	32.00	1.81	26.12	3.19	24.25

NPS	BCD Bolt Circle Dia.	BHD Bolt Hole Dia	BOLTS Number of Bolts	BD Dia. Of Bolt	SBL RF Stud Bolt Length (RF)	SBL RJ Stud Bolt Length (RJ)	MBL RF Machine Bolt Length (RF)
1/2	2.38	5/8	4	1/2	2.25	NA	2
3/4	2.75	5/8	4	1/2	2.5	NA	2
1	3.12	5/8	4	1/2	2.5	3.00	2.25
1-1/4	3.5	5/8	4	1/2	2.75	3.25	2.25
1-1/2	3.88	5/8	4	1/2	2.75	3.25	2.5
2	4.75	3/4	4	5/8	3.25	3.75	2.75
2-1/2	5.5	3/4	4	5/8	3.5	4.00.	3
3	6	3/4	4	5/8	3.5	4.00	3
3-1/2	7	3/4	8	5/8	3.5	4.00	3
4	7.5	3/4	8	5/8	3.5	4.00	3
5	8.5	7/8	8	3/4	3.75	4.25	3.25
6	9.5	7/8	8	3/4	4	4.50	3.25
8	11.75	7/8	8	3/4	4.25	4.75	3.5
10	14.25	1	12	7/8	4.5	5.00	4
12	17	1	12	7/8	4.75	5.25	4
14	18.75	1-1/8	12	1	5.25	5.75	4.5
16	21.25	1-1/8	16	1	5.25	5.75	4.5
18	22.75	1-1/4	16	1-1/8	5.75	6.25	5
20	25	1-1/4	20	1-1/8	6.25	6.75	5.5
24	29.5	1-3/8	20	1-1/4	6.75	7.25	6

Dimensions are in inches.