Manufacturers Standardization Society

Dimensions of Reducers Concentric and Eccentric MSS SP-75

OTHER FITTING DIMENSIONS

Reducers Con-Ecc

NPS D	DN D	Outside Diameter at Bevel		End-to-End H
NPS D	DN D	Large End D	D1	End-to-End H
16 x 14	400 x 350	406.4	355.6	356
16 x 12	400 x 300	406.4	323.8	356
16 x 10	400 x 250	406.4	273	356
16 x 8	400 x 200	406.4	219.1	356
18 x 16	450 x 400	457.2	406.4	381
18 x 14	450 x 350	457.2	355.6	381
18 x 12	450 x 300	457.2	323.8	381
18 x 10	450 x 250	457.2	273	381
20 x 18	500 x 450	508	457.2	508
20 x 16	500 x 400	508	406.4	508
20 x 14	500 x 350	508	355.6	508
20 x 12	500 x 300	508	323.8	508
22 x 20	550 x 500	558.8	508	508
22 x 18	550 x 450	558.8	457.2	508
22 x 16	550 x 400	558.8	406.4	508
22 x 14	550 x 350	558.8	355.6	508
24 x 22	600 x 550	609.6	558.8	508
24 x 20	600 x 500	609.6	508	508
24 x 18	600 x 450	609.6	457.2	508
24 x 16	600 x 400	609.6	406.4	508
26 x 24	650 x 600	660	610	610
26 x 22	650 x 550	660	559	610
26 x 20	650 x 500	660	508	610
26 x 18	650 x 450	660	457	610
28 x 26	700 x 650	711	660	610
28 x 24	700 x 600	711	610	610
28 x 22	700 x 550	711	559	610
28 x 20	700 x 500	711	508	610
28 x 18	700 x 450	711	457	610
30 x 28	750 x 700	762	711	610
30 x 26	750 x 650	762	660	610
30 x 24	750 x 600	762	610	610
30 x 22	750 x 550	762	559	610
30 x 20	750 x 500	762	508	610
32 x 30	800 x 750	813	762	610
32 x 28	800 x 700	813	711	610
32 x 26	800 x 650	813	660	610
32 x 24	800 x 600	813	610	610
34 x 32	850 x 800	864	813	610
34 x 30	850 x 750	864	762	610
34 x 28	850 x 700	864	711	610
34 x 26	850 x 650	864	660	610
34 x 24	850 x 600	864	610	610
36 x 34	900 x 850	914	864	610
36 x 32	900 x 800	914	713	610
36 x 30	900 x 750	914	762	610
36 x 28	900 x 700	914	711	610
36 x 26	900 x 650	914	660	610
36 x 24	900 x 600	914	610	610
38 x 36	950 x 900	965	914	610
38 x 34	950 x 850	965	864	610
38 x 32	950 x 800	965	813	610
38 x 30	950 x 750	965	762	610
38 x 28	950 x 700	965	711	610
38 x 26	950 x 650	965	660	610
38 x 24	950 x 600	965	660	610
38 x 22	950 x 550	965	660	610
38 x 20	950 x 500	965	660	610
40 x 38	1000 x 950	965	965	610
40 x 36	1000 x 900	1016	914	610
40 x 34	1000 x 850	1016	864	610
40 x 32	1000 x 800	1016	813	610
40 x 30	100 x 750	1016	762	610
40 x 28	1000 x 700	1016	711	610
40 x 26	1000 x 650	1016	660	610
40 x 24	1000 x 600	1016	610	610
40 x 22	1000 x 550	1016	559	610
40 x 20	1000 x 500	1016	508	610
42 x 40	1050 x 1000	1067	1016	610
42 x 38	1050 x 950	1067	965	610
42 x 36	1050 x 900	1067	914	610
42 x 34	1050 x 850	1067	864	610
42 x 32	1050 x 800	1067	813	610
42 x 30	1050 x 750	1067	762	610
42 x 28	1050 x 700	1067	711	610
42 x 26	1050 x 650	1067	660	610
42 x 24	1050 x 600	1067	610	610
42 x 22	1050 x 550	1067	559	610
44 x 42	1100 x 1050	1118	1067	610
44 x 40	1100 x 1000	1118	1016	610
44 x 38	1100 x 950	1118	965	610
44 x 36	1100 x 900	1118	914	610
44 x 34	1100 x 850	1118	864	610
44 x 32	1100 x 800	1118	813	610
44 x 30	1100 x 750	1118	762	610
44 x 28	1100 x 700	1118	711	610
44 x 26	1100 x 650	1118	660	610
44 x 24	1100 x 600	1118	610	610
44 x 22	1100 x 550	1118	559	610
46 x 44	1150 x 1100	1168	1118	711
46 x 42	1150 x 1050	1168	1067	711
46 x 40	1150 x 1000	1168	1016	711
46 x 38	1150 x 950	1168	965	711
46 x 36	1150 x 900	1168	914	711
46 x 34	1150 x 850	1168	864	711
46 x 32	1150 x 800	1168	813	711
46 x 30	1150 x 750	1168	762	711
46 x 28	1150 x 700	1168	711	711
46 x 26	1150 x 650	1168	660	711
46 x 24	1150 x 600	1168	610	711
48 x 46	1200 x 1150	1219	1168	711
48 x 44	1200 x 1110	1219	1118	711
48 x 42	1200 x 1050	1219	1067	711
48 x 40	1200 x 1000	1219	1016	711
48 x 38	1200 x 950	1219	965	711
48 x 36	1200 x 900	1219	914	711
48 x 34	1200 x 850	1219	864	711
48 x 32	1200 x 800	1219	813	711
48 x 30	1200 x 750	1219	762	711
48 x 28	1200 x 700	1219	711	711
48 x 26	1200 x 650	1219	660	711
48 x 24	1200 x 600	1219	610	711
50 x 48	1250 x 1200	1270	1219	711
50 x 42	1250 x 1050	1270	1067	711
50 x 36	1250 x 900	1270	914	711
50 x 30	1250 x 750	1270	762	711
50 x 24	1250 x 600	1270	610	711
50 x 20	1250 x 500	1270	508	711
52 x 50	1300 x 1250	1321	1270	711
52 x 48	1300 x 1200	1321	1219	711
52 x 42	1300 x 1050	1321	1067	711
52 x 36	1300 x 900	1321	914	711
52 x 30	1300 x 750	1321	762	711
52 x 24	1300 x 600	1321	610	711
54 x 52	1350 x 1300	1372	1321	711
54 x 48	1350 x 1200	1372	1219	711
54 x 42	1350 x 1050	1372	1067	711
54 x 36	1350 x 900	1372	914	711
54 x 30	1350 x 750	1372	762	711
54 x 24	1350 x 600	1372	610	711
56 x 54	1400 x 1350	1422	1372	711
56 x 48	1400 x 1200	1422	1219	711
56 x 42	1400 x 1050	1422	1067	711
56 x 36	1400 x 900	1422	914	711
56 x 30	1400 x 750	1422	762	711
56 x 24	1400 x 600	1422	610	711
58 x 56	1450 x 1400	1473	1422	711
58 x 54	1450 x 1350	1473	1372	711
58 x 48	1450 x 1200	1473	1219	711
58 x 42	1450 x 1050	1473	1067	711
58 x 36	1450 x 900	1473	914	711
58 x 30	1450 x 750	1473	762	711
60 x 58	1500 x 1450	1524	1473	711
60 x 54	1500 x 1350	1524	1372	711
60 x 48	1500 x 1200	1524	1219	711
60 x 42	1500 x 1050	1524	1067	711
60 x 36	1500 x 900	1524	914	711
60 x 30	1500 x 750	1524	762	711

Dimensions are in millimeters unless otherwise indicated
Wall thickness (t) must be specified by customer

Dimensional Tolerances MSS SP-75

NPS	Inside Diameter at End	Out of Roundness
		At Ends of Fittings		Throughout body of Elbows
		Elbows	Other	Throughout body of Elbows
16-24	±2.29	4.83	3.05	2.5%
26-36	±2.29	*A	3.05	2.5%
38-48	±3.05	*A	3.05	2.5%
50-60	±6.35	*A	3.05	2.5%

*A out-of-roundness tolerances at ends shall be 1% of diameter for NPS26 and larger

NPS	90°-45° Elbows LR Cte	Tees Cte	Reducers Length	Caps Length
16-24	±2.29	±2.29	±2.29	±6.35
26-36	±3.05	±3.05	±4.83	±9.65
38-48	±4.83	±4.83	±9.65	±9.65
50-60	±6.35	±6.35	±9.65	±9.65

Cte = Center to end Dimension

NPS	Angularity off Angle Q	Elbows Off Plane P	Eccentric and Concentric Reducers Off Plane *B
16-24	2.29	6.35	2.5%
26-36	2.29	12.70	2.5%
38-48	3.05	19.05	2.5%
50-60	4.80	19.05	2.5%

*B Values that are percent of O.D.

Dimensional tolerances are in millimeters unless otherwise indicated