Dimensions Butt Weld Reducing Tees ASME B16.9

OTHER DIAMETERS

1/2 - 4

5 - 16

18 - 26

28 - 32

34 - 38

40 - 42

44 - 48

NPS	O.D. D	O.D. D1	Center to End C	Center to End M
44 - 20	1118	508	813	686
44 - 22	1118	559	813	686
44 - 24	1118	610	813	698
44 - 26	1118	660	813	698
44 - 28	1118	711	813	698
44 - 30	1118	762	813	711
44 - 32	1118	813	813	711
44 - 34	1118	864	813	724
44 - 36	1118	914	813	724
44 - 38	1118	965	813	737
44 - 40	1118	1016	813	749
44 - 42	1118	1067	813	762
46 - 22	1168	559	851	724
46 - 24	1168	610	851	724
46 - 26	1168	660	851	737
46 - 28	1168	711	851	737
46 - 30	1168	762	851	737
46 - 32	1168	813	851	749
46 - 34	1168	864	851	749
46 - 36	1168	914	851	762
46 - 38	1168	965	851	762
46 - 40	1168	1016	851	775
46 - 42	1168	1067	851	787
46 - 44	1168	1118	851	800
48 - 22	1219	559	889	737
48 - 24	1219	610	889	737
48 - 26	1219	660	889	762
48 - 28	1219	711	889	762
48 - 30	1219	762	889	762
48 - 32	1219	813	889	787
48 - 34	1219	864	889	787
48 - 36	1219	914	889	787
48 - 38	1219	965	889	813
48 - 40	1219	1016	889	813
48 - 42	1219	1067	889	813
48 - 44	1219	1118	889	838
48 - 46	1219	1168	889	838

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

Dimensional Tolerances Reducing Tees ASME B16.9

Nominal Pipe Size	1/2 to 2.1/2	3 to 3.1/2	4	5 to 8	10 to 18	20 to 24	26 to 30	32 to 48
Outside Dia at Bevel (D)	+1.6 -0.8	1.6	1.6	+2.4 -1.6	+4 -3.2	+6.4 -4.8	+6.4 -4.8	+6.4 -4.8
Inside Dia at End	0.8	1.6	1.6	1.6	3.2	4.8	+6.4 -4.8	+6.4 -4.8
Center to End (C / M)	2	2	2	2	2	2	3	5
Wall Thk (t)	Not less than 87.5% of Nominal Wall Thickness

Dimensional tolerances are in millimeters unless otherwise indicated and are equal ± except as noted.

Note..
MSS SP-43 only covers stainless steel buttweld fittings made for use with Schedule 5S and 10S pipe and Stub Ends suitable for use with Schedule 40S pipe, as defined in ASME B36.19. The dimensions and dimensional tolerances defined in MSS SP-43 are substantially the same as those in ASME B16.9 specifications from NPS 1/2 - NPS 24. Except with regard to the outside diameter at the bevel.

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