ANSI / ASME B16.9 Concentric Reducer Dimensions

Nominal Pipe Size	Outside Diameter at Bevel	End-to-End, H
	Large End
3/4 x 1/2	26.7	38
3/4 x 3/8	26.7	38
1 x 3/4	33.4	51
1 x 1/2	33.4	51
1 1/4 x 1	42.2	51
1 1/4 x 3/4	42.2	51
1 1/4 x 1/2	42.2	51
1 1/2 x 1 1/4	48.3	64
1 1/2 x 1	48.3	64
1 1/2 x 3/4	48.3	64
1 1/2 x 1/2	48.3	64
2 x 1 1/2	60.3	76
2 x 1 1/4	60.3	76
2 x 1	60.3	76
2 x 3/4	60.3	76
2 1/2 x 2	73.0	89
2 1/2 x 1 1/2	73.0	89
2 1/2 x 1 1/4	73.0	89
2 1/2 x 1	73.0	89
3 x 2 1/2	101.6	89
3 x 2	101.6	89
3 x 1 1/2	101.6	89
3 x 1 1/4	101.6	89
3 1/2 x 3	101.6	102
3 1/2 x 2 1/2	101.6	102
3 1/2 x 2	101.6	102
3 1/2 x 1 1/2	101.6	102
3 1/2 x 1 1/4	101.6	102
4 x 3 1/2	114.3	102
4 x 3	114.3	102
4 x 2 1/2	114.3	102
4 x 2	114.3	102
4 x 1 1/2	114.3	102
5 x 4	141.3	127
5 x 3 1/2	141.3	127
5 x 3	141.3	127
5 x 2 1/2	141.3	127
5 x 2	141.3	127
6 x 5	168.3	140
6 x 4	168.3	140
6 x 3 1/2	168.3	140
6 x 3	168.3	140
6 x 2 1/2	168.3	140
8 x 6	219.1	152
8 x 5	219.1	152
8 x 4	219.1	152
8 x 3 1/2	219.1	152
10 x 8	273.0	178
10 x 6	273.0	178
10 x 5	273.0	178
10 x 4	273.0	178
12 x 10	323.8	203
12 x 8	323.8	203
12 x 6	323.8	203
12 x 5	323.8	203
14 x 12	355.6	330
14 x 10	355.6	330
14 x 8	355.6	330
14 x 6	355.6	330
16 x 14	406.4	356
16 x 12	406.4	356
16 x 10	406.4	356
16 x 8	406.4	356
18 x 16	457	381
18 x 14	457	381
18 x 12	457	381
18 x 10	457	381
20 x 18	508	508
20 x 16	508	508
20 x 14	508	508
20 x 12	508	508
22 x 20	559	508
22 x 18	559	508
22 x 16	559	508
22 x 14	559	508
24 x 22	610	508
24 x 20	610	508
24 x 18	610	508
24 x 16	610	508
26 x 24	660	610
26 x 22	660	610
26 x 20	660	610
26 x 18	660	610
28 x 26	711	610
28 x 24	711	610
28 x 20	711	610
28 x 18	711	610
30 x 28	762	610
30 x 26	762	610
30 x 24	762	610
30 x 20	762	610
32 x 30	813	610
32 x 28	813	610
32 x 26	813	610
32 x 24	813	610
34 x 32	864	610
34 x 30	864	610
34 x 26	864	610
34 x 24	864	610
36 x 34	914	610
36 x 32	914	610
36 x 30	914	610
36 x 26	914	610
36 x 24	914	610
38 x 36	965	610
38 x 34	965	610
38 x 32	965	610
38 x 30	965	610
38 x 28	965	610
38 x 26	965	610
40 x 38	1016	610
40 x 36	1016	610
40 x 34	1016	610
40 x 32	1016	610
40 x 30	1016	610
42 x 40	1067	610
42 x 38	1067	610
42 x 36	1067	610
42 x 34	1067	610
42 x 32	1067	610
42 x 30	1067	610
44 x 42	1118	610
44 x 40	1118	610
44 x 38	1118	610
44 x 36	1118	610
46 x 44	1168	711
46 x 42	1168	711
46 x 40	1168	711
46 x 38	1168	711
48 x 46	1219	711
48 x 44	1219	711
48 x 42	1219	711
48 x 40	1219	711

NOTE : All dimensions are in millimeters