180 Degree Elbow Dimensions

180 Degree Elbow Technical Drawing

Dimensions of ASME B16.9 Long Radius Returns – 180 Deg Elbow
Nominal Pipe (NPS)	Outside Diameter at Bevel	Center to center, O	Back to face, K
	mm.	mm.	mm.
	in.	in.	in.
1/2	21.3	76	48
1/2	0.84	3	1.88
3/4	26.7	76	51
3/4	1.05	3	2
1	33.4	76	56
1	1.32	3	2.19
1 1/4	42.2	95	70
1 1/4	1.66	3.75	2.75
1 1/2	48.3	114	83
1 1/2	1.9	4.5	3.25
2	60.3	152	106
2	2.38	6	4.19
2 1/2	73	190	132
2 1/2	2.88	7.5	5.19
3	88.9	229	159
3	3.5	9	6.25
3 1/2	101.6	267	184
3 1/2	4	10.5	7.25
4	114.3	305	210
4	4.5	12	8.25
5	141.3	381	262
5	5.56	15	10.31
6	168.3	457	313
6	6.62	18	12.31
8	219.1	610	414
8	8.62	24	16.31
10	273	762	518
10	10.75	30	20.38
12	323.8	914	619
12	12.75	36	24.38
14	355.6	1067	711
14	14	42	28
16	406.4	1219	813
16	16	48	32
18	457	1372	914
18	18	54	36
20	508	1524	1016
20	20	60	40
22	559	1676	1118
22	22	66	44
24	610	1829	1219
24	24	72	48

Dimensions of ASME B16.9 Short Radius Returns – 180 Degree Elbow
Nominal Size	Outside Diameter at Bevel	Center to Center	Back to Back
NPS	mm.	O	K
	in.	mm.	mm.
		in.	in.
1	33.4	51	41
1	1.32	2	1.62
1 1/4	42.2	64	52
1 1/4	1.66	2.5	2.06
1 1/2	48.3	76	62
1 1/2	1.9	3	2.44
2	60.3	102	81
2	2.38	4	3.19
2 1/2	73	127	100
2 1/2	2.88	5	3.94
3	88.9	152	121
3	3.5	6	4.75
3 1/2	101.6	178	140
3 1/2	4	7	5.5
4	114.3	203	159
4	4.5	8	6.25
5	141.3	254	197
5	5.56	10	7.75
6	168.3	305	237
6	6.62	12	9.31
8	219.1	406	313
8	8.62	16	12.31
10	273	508	391
10	10.75	20	15.38
12	323.8	610	467
12	12.75	24	18.38
14	355.6	711	533
14	14	28	21
16	406.4	813	610
16	16	32	24
18	457	914	686
18	18	36	27
20	508	1016	762
20	20	40	30
22	559	1118	838
22	22	44	33
24	610	1219	914
24	24	48	36