Manufacturers Standardization Society

Dimensions of Buttweld Reducing Tees MSS SP-75

OTHER FITTING DIMENSIONS

Reducing Tees

NPS D	DN D	OD D	OD D1	Center to End
NPS D	DN D	OD D	OD D1	Run C	Outlet M
16 x 6	400 x 150	406.4	168.3	305	264
16 x 8	400 x 200	406.4	219.1	305	273
16 x 10	400 x 250	406.4	273	305	283
16 x 12	400 x 300	406.4	323.8	305	295
16 x 14	400 x 350	406.4	355.6	305	305
18 x 8	450 x 200	457	219.1	343	298
18 x 10	450 x 250	457	273	343	308
18 x 12	450 x 300	457	323.8	343	321
18 x 14	450 x 350	457	355.6	343	330
18 x 16	450 x 400	457	406.4	343	330
20 x 8	500 x 200	508	219.1	381	324
20 x 10	500 x 250	508	273	381	333
20 x 12	500 x 300	508	323.8	381	346
20 x 14	500 x 350	508	355.6	381	356
20 x 16	500 x 400	508	406.4	381	356
20 x 18	500 x 450	508	457	381	368
22 x 10	550 x 250	559	273	419	359
22 x 12	550 x 300	559	323.8	419	371
22 x 14	550 x 350	559	355.6	419	381
22 x 16	550 x 400	559	406.4	419	381
22 x 18	550 x 450	559	457	419	394
22 x 20	550 x 500	559	508	419	406
24 x 10	600 x 250	610	273	432	384
24 x 12	600 x 300	610	323.8	432	397
24 x 14	600 x 350	610	355.6	432	406
24 x 16	600 x 400	610	406.4	432	406
24 x 18	600 x 450	610	457	432	419
24 x 20	600 x 500	610	508	432	432
24 x 22	600 x 550	610	559	432	432
26 x 12	650 x 300	660	323.8	495	422
26 x 14	650 x 350	660	355.6	495	432
26 x 16	650 x 400	660	406.4	495	432
26 x 18	650 x 450	660	457	495	444
26 x 20	650 x 500	660	508	495	457
26 x 22	650 x 550	660	559	495	470
26 x 24	650 x 600	660	610	495	483
28 x 12	700 x 300	711	323.8	521	448
28 x 14	700 x 350	711	355.6	521	457
28 x 16	700 x 400	711	406.4	521	457
28 x 18	700 x 450	711	457	521	470
28 x 20	700 x 500	711	508	521	483
28 x 22	700 x 550	711	559	521	495
28 x 24	700 x 600	711	610	521	508
28 x 26	700 x 650	711	660	521	521
30 x 10	750 x 250	762	273	559	460
30 x 12	750 x 300	762	323.8	559	473
30 x 14	750 x 350	762	355.6	559	483
30 x 16	750 x 400	762	406.4	559	483
30 x 18	750 x 450	762	457	559	495
30 x 20	750 x 500	762	508	559	508
30 x 22	750 x 550	762	559	559	521
30 x 24	750 x 600	762	610	559	533
30 x 26	750 x 650	762	660	559	546
30 x 28	750 x 700	762	711	559	546
32 x 14	800 x 350	813	355.6	597	508
32 x 16	800 x 400	813	406.4	597	508
32 x 18	800 x 450	813	457	597	521
32 x 20	800 x 500	813	508	597	533
32 x 22	800 x 550	813	559	597	546
32 x 24	800 x 600	813	610	597	559
32 x 26	800 x 650	813	660	597	572
32 x 28	800 x 700	813	711	597	572
32 x 30	800 x 750	813	762	597	584
34 x 16	850 x 400	864	406.4	635	533
34 x 18	850 x 450	864	457	635	546
34 x 20	850 x 500	864	508	635	559
34 x 22	850 x 550	864	559	635	572
34 x 24	850 x 600	864	610	635	584
34 x 26	850 x 650	864	660	635	597
34 x 28	850 x 700	864	711	635	597
34 x 30	850 x 750	864	762	635	610
34 x 32	850 x 800	864	813	635	622
36 x 16	900 x 400	914	406.4	673	559
36 x 18	900 x 450	914	457	673	572
36 x 20	900 x 500	914	508	673	584
36 x 22	900 x 550	914	559	673	597
36 x 24	900 x 600	914	610	673	610
36 x 26	900 x 650	914	660	673	622
36 x 28	900 x 700	914	711	673	622
36 x 30	900 x 750	914	762	673	635
36 x 32	900 x 800	914	813	673	648
36 x 34	900 x 850	914	864	673	660
38 x 18	950 x 450	965	457	711	597
38 x 20	950 x 500	965	508	711	610
38 x 22	950 x 550	965	559	711	622
38 x 24	950 x 600	965	610	711	635
38 x 26	950 x 650	965	660	711	648
38 x 28	950 x 700	965	711	711	648
38 x 30	950 x 750	965	762	711	673
38 x 32	950 x 800	965	813	711	686
38 x 34	950 x 850	965	864	711	698
38 x 36	950 x 900	965	914	711	711
40 x 18	1000 x 450	1016	457	749	622
40 x 20	1000 x 500	1016	508	749	635
40 x 22	1000 x 550	1016	559	749	648
40 x 24	1000 x 600	1016	610	749	660
40 x 26	1000 x 650	1016	660	749	673
40 x 28	1000 x 700	1016	711	749	673
40 x 30	1000 x 750	1016	762	749	698
40 x 32	1000 x 800	1016	813	749	711
40 x 34	1000 x 850	1016	864	749	724
40 x 36	1000 x 900	1016	914	749	737
40 x 38	1000 x 950	1016	965	749	749
42 x 16	1050 x 400	1067	406.4	762	635
42 x 18	1050 x 450	1067	457	762	648
42 x 20	1050 x 500	1067	508	762	660
42 x 22	1050 x 550	1067	559	762	660
42 x 24	1050 x 600	1067	610	762	660
42 x 26	1050 x 650	1067	660	762	698
42 x 28	1050 x 700	1067	711	762	698
42 x 30	1050 x 750	1067	762	762	711
42 x 32	1050 x 800	1067	813	762	711
42 x 34	1050 x 850	1067	864	762	711
42 x 36	1050 x 900	1067	914	762	711
42 x 38	1050 x 950	1067	968	762	711
42 x 40	1050 x 1000	1067	1016	762	711
44 x 20	1100 x 500	1118	508	813	686
44 x 22	1100 x 550	1118	559	813	686
44 x 24	1100 x 600	1118	610	813	698
44 x 26	1100 x 650	1118	660	813	698
44 x 28	1100 x 700	1118	711	813	698
44 x 30	1100 x 750	1118	762	813	711
44 x 32	1100 x 800	1118	813	813	711
44 x 34	1100 x 900	1118	864	813	724
44 x 36	1100 x 950	1118	914	813	724
44 x 38	1100 x 950	1118	965	813	737
44 x 40	1100 x 1000	1118	1016	813	749
44 x 42	1100 x 1050	1118	1067	813	762
46 x 22	1150 x 550	1168	559	851	724
46 x 24	1150 x 600	1168	610	851	724
46 x 26	1150 x 650	1168	660	851	737
46 x 28	1150 x 700	1168	711	851	737
46 x 30	1150 x 750	1168	762	851	737
46 x 32	1150 x 800	1168	813	851	749
46 x 34	1150 x 850	1168	864	851	749
46 x 36	1150 x 900	1168	914	851	762
46 x 38	1150 x 950	1168	965	851	762
46 x 40	1150 x 1000	1168	1016	851	775
46 x 42	1150 x 1050	1168	1067	851	787
46 x 44	1150 x 1100	1168	1118	851	800
48 x 16	1200 x 400	1219	406.4	889	737
48 x 18	1200 x 450	1219	457	889	737
48 x 20	1200 x 500	1219	508	889	737
48 x 22	1200 x 550	1219	559	889	737
48 x 24	1200 x 600	1219	610	889	737
48 x 26	1200 x 650	1219	660	889	762
48 x 28	1200 x 700	1219	711	889	762
48 x 30	1200 x 750	1219	762	889	762
48 x 32	1200 x 800	1219	813	889	787
48 x 34	1200 x 850	1219	864	889	787
48 x 36	1200 x 900	1219	914	889	787
48 x 38	1200 x 950	1219	965	889	813
48 x 40	1200 x 1000	1219	1016	889	813
48 x 42	1200 x 1050	1219	1067	889	813
48 x 44	1200 x 1100	1219	1118	889	838
48 x 46	1200 x 1150	1219	1168	889	838
50 x 20	1250 x 500	1270	508	934	762
50 x 24	1250 x 600	1270	610	934	762
50 x 30	1250 x 750	1270	762	934	800
50 x 36	1250 x 900	1270	914	934	826
50 x 42	1250 x 1050	1270	1067	934	838
50 x 48	1250 x 1200	1270	1219	934	876
52 x 24	1300 x 600	1321	610	978	794
52 x 30	1300 x 750	1321	762	978	832
52 x 36	1300 x 900	1321	914	978	864
52 x 42	1300 x 1050	1321	1067	978	876
52 x 48	1300 x 1200	1321	1219	978	908
52 x 50	1300 x 1250	1321	1270	978	908
54 x 24	1350 x 600	1372	610	1016	797
54 x 30	1350 x 750	1372	762	1016	864
54 x 36	1350 x 900	1372	914	1016	889
54 x 42	1350 x 1050	1372	1067	1016	905
54 x 48	1350 x 1200	1372	1219	1016	946
54 x 52	1350 x 1300	1372	1321	1016	946
56 x 24	1400 x 600	1422	610	1054	857
56 x 30	1400 x 750	1422	762	1054	857
56 x 36	1400 x 900	1422	914	1054	902
56 x 42	1400 x 1050	1422	1067	1054	927
56 x 48	1400 x 1200	1422	1219	1054	940
56 x 54	1400 x 1350	1422	1372	1054	978
58 x 30	1450 x 750	1473	762	1092	889
58 x 36	1450 x 900	1473	914	1092	927
58 x 42	1450 x 1050	1473	1067	1092	953
58 x 48	1450 x 1200	1473	1219	1092	978
58 x 54	1450 x 1350	1473	1372	1092	1016
58 x 56	1450 x 1400	1473	1422	1092	1016
60 x 30	1500 x 750	1524	762	1118	914
60 x 36	1500 x 900	1524	914	1118	965
60 x 42	1500 x 1050	1524	1067	1118	991
60 x 48	1500 x 1200	1524	1219	1118	1016
60 x 54	1500 x 1350	1524	1372	1118	1029
60 x 58	1500 x 1450	1524	1473	1118	1054

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