Dimensions of Reducing Tees and Reducing Crosses - ASME B16.9
NPS
|
OD at Bevel
|
Center to End
|
Run
|
Outlet
|
Run, C
|
Outlet, M
|
1/2 x 3/8
|
21.3
|
17.3
|
25
|
25
|
1/2 x 1/4
|
13.7
|
25
|
3/4 x 1/2
|
26.7
|
21.3
|
29
|
29
|
3/4 x 3/8
|
17.3
|
29
|
1 x 3/4
|
33.4
|
26.7
|
38
|
38
|
1 x 1/2
|
21.3
|
38
|
1-1/4 x 1
|
42.2
|
33.4
|
48
|
48
|
1-1/4 x 3/4
|
26.7
|
48
|
1-1/4 x 1/2
|
21.3
|
48
|
1-1/2 x 1-1/4
|
48.3
|
42.2
|
57
|
57
|
1-1/2 x 1
|
33.4
|
57
|
1-1/2 x 3/4
|
26.7
|
57
|
1-1/2 x 1/2
|
21.3
|
57
|
2 x 1-1/2
|
60.3
|
48.3
|
64
|
60
|
2 x 1-1/4
|
42.2
|
57
|
2 x 1
|
33.4
|
51
|
2 x 3/4
|
26.7
|
44
|
2-1/2 x 2
|
73
|
60.3
|
76
|
70
|
2-1/2 x 1-1/2
|
48.3
|
67
|
2-1/2 x1-1/4
|
42.2
|
64
|
2-1/2 x 1
|
33.4
|
57
|
3 x 2-1/2
|
88.9
|
73
|
86
|
83
|
3 x 2
|
60.3
|
76
|
3 x 1-1/2
|
48.3
|
73
|
3 x 1-1/4
|
42.2
|
70
|
3-1/2 x 3
|
101.6
|
88.9
|
95
|
92
|
3-1/2 x 2-1/2
|
73
|
89
|
3-1/2 x 2
|
60.3
|
83
|
3-1/2 x 1-1/2
|
48.3
|
79
|
4 x 3-1/2
|
114.3
|
101.6
|
105
|
102
|
4 x 3
|
88.9
|
98
|
4 x 2-1/2
|
73
|
95
|
4 x 2
|
60.3
|
89
|
4 x 1-1/2
|
48.3
|
86
|
5 x 4
|
141.3
|
114.3
|
124
|
117
|
5 x 3-1/2
|
101.6
|
114
|
5 x 3
|
88.9
|
111
|
5 x 2-1/2
|
73
|
108
|
5 x 2
|
60.3
|
105
|
6 x 5
|
168.3
|
141.3
|
143
|
137
|
6 x 4
|
114.3
|
130
|
6 x 3-1/2
|
101.6
|
127
|
6 x 3
|
88.9
|
124
|
6 x 2-1/2
|
73
|
121
|
8 x 6
|
219.1
|
168.3
|
178
|
168
|
8 x 5
|
141.3
|
162
|
8 x 4
|
114.3
|
156
|
8 x 3-1/2
|
101.6
|
152
|
10 x 8
|
273
|
219.1
|
216
|
203
|
10 x 6
|
168.3
|
194
|
10 x 5
|
141.3
|
191
|
10 x 4
|
114.3
|
184
|
12 x 10
|
323.8
|
273
|
254
|
241
|
12 x 8
|
219.1
|
229
|
12 x 12 x 6
|
168.3
|
219
|
12 x 5
|
141.3
|
216
|
14 x 12
|
355.6
|
323.8
|
279
|
270
|
14 x 10
|
273
|
257
|
14 x 8
|
219.1
|
248
|
14 x 6
|
168.3
|
238
|
16 x 14
|
406.4
|
355.6
|
305
|
305
|
16 x 12
|
323.8
|
295
|
16 x 10
|
273
|
283
|
16 x 8
|
219.1
|
273
|
16 x 6
|
168.3
|
264
|
18 x 16
|
457
|
406.4
|
343
|
330
|
18 x 14
|
355.6
|
330
|
18 x 12
|
323.8
|
321
|
18 x 10
|
273
|
308
|
18 x 8
|
219.1
|
298
|
20 x 18
|
508
|
457
|
381
|
368
|
20 x 16
|
406.4
|
356
|
20 x 14
|
355.6
|
356
|
20 x 12
|
323.8
|
346
|
20 x 10
|
273
|
333
|
20 x 8
|
219.1
|
324
|
22 x 20
|
559
|
508
|
419
|
406
|
22 x 18
|
457
|
394
|
22 x 16
|
406.4
|
381
|
22 x 14
|
355.6
|
381
|
22 x 12
|
323.8
|
371
|
22 x 10
|
272
|
359
|
24 x 22
|
610
|
559
|
432
|
432
|
24 x 20
|
508
|
432
|
24 x 18
|
457
|
419
|
24 x 16
|
406.4
|
406
|
24 x 14
|
355.6
|
406
|
24 x 12
|
323.8
|
397
|
24 x 10
|
273
|
384
|
26 x 24
|
660
|
610
|
495
|
483
|
26 x 22
|
559
|
470
|
26 x 20
|
508
|
457
|
26 x18
|
457
|
444
|
26 x 16
|
406.4
|
432
|
26 x 14
|
355.6
|
432
|
26 x 12
|
323.8
|
422
|
28 x 26
|
711
|
660
|
521
|
521
|
28 x 24
|
610
|
508
|
28 x 22
|
559
|
495
|
28 x 20
|
508
|
483
|
28 x 18
|
457
|
470
|
28 x 16
|
406.4
|
457
|
28 x 14
|
355.6
|
457
|
28 x 12
|
323.8
|
448
|
30 x 28
|
762
|
711
|
559
|
546
|
30 x 26
|
660
|
546
|
30 x 24
|
610
|
533
|
30 x 22
|
559
|
521
|
30 x 20
|
508
|
508
|
30 x 18
|
457
|
495
|
30 x 16
|
406.4
|
483
|
30 x 14
|
355.6
|
483
|
30 x 12
|
323.8
|
473
|
30 x 10
|
273
|
460
|
32 x 30
|
813
|
762
|
597
|
584
|
32 x 28
|
711
|
572
|
32 x 26
|
660
|
572
|
32 x 24
|
610
|
559
|
32 x 22
|
559
|
546
|
32 x 20
|
508
|
533
|
32 x 18
|
457
|
521
|
32 x 16
|
406.4
|
508
|
32 x 14
|
355.6
|
508
|
34 x 32
|
864
|
813
|
635
|
622
|
34 x 30
|
762
|
610
|
34 x 28
|
711
|
597
|
34 x 26
|
660
|
597
|
34 x 24
|
610
|
584
|
34 x 22
|
559
|
572
|
34 x 20
|
508
|
559
|
34 x 18
|
457
|
546
|
34 x 16
|
406.4
|
533
|
36 x 34
|
914
|
864
|
673
|
660
|
36 x 32
|
813
|
648
|
36 x 30
|
762
|
635
|
36 x 28
|
711
|
622
|
36 x 26
|
660
|
622
|
36 x 24
|
610
|
610
|
36 x 22
|
559
|
597
|
36 x 20
|
508
|
584
|
36 x 18
|
457
|
572
|
36 x 16
|
406.4
|
559
|
38 x 36
|
965
|
914
|
711
|
711
|
38 x 34
|
864
|
698
|
38 x 32
|
813
|
686
|
38 x 30
|
762
|
673
|
38 x 28
|
711
|
648
|
38 x 26
|
660
|
648
|
38 x 24
|
610
|
635
|
38 x 22
|
559
|
622
|
38 x 20
|
508
|
610
|
38 x 18
|
457
|
597
|
40 x 38
|
1016
|
965
|
749
|
749
|
40 x 36
|
914
|
737
|
40 x 34
|
864
|
724
|
40 x 32
|
813
|
711
|
40 x 30
|
762
|
698
|
40 x 28
|
711
|
673
|
40 x 26
|
660
|
673
|
40 x 24
|
610
|
660
|
40 x 22
|
559
|
648
|
40 x 20
|
508
|
635
|
40 x 18
|
457
|
622
|
42 x 40
|
1067
|
1016
|
762
|
711
|
42 x 38
|
968
|
711
|
42 x 36
|
914
|
711
|
42 x 34
|
864
|
711
|
42 x 32
|
813
|
711
|
42 x 30
|
762
|
711
|
42 x 28
|
711
|
698
|
42 x 26
|
60
|
698
|
42 x 24
|
610
|
660
|
42 x 22
|
559
|
660
|
42 x 20
|
508
|
660
|
42 x 18
|
457
|
648
|
42 x 16
|
406.4
|
635
|
44 x 42
|
1118
|
1067
|
813
|
762
|
44 x 40
|
1016
|
749
|
44 x 38
|
965
|
737
|
44 x 36
|
914
|
724
|
44 x 34
|
864
|
724
|
44 x 32
|
813
|
711
|
44 x 30
|
762
|
711
|
44 x 28
|
711
|
698
|
44 x 26
|
660
|
698
|
44 x 24
|
610
|
698
|
44 x 22
|
559
|
686
|
44 x 20
|
508
|
686
|
46 x 44
|
1168
|
1118
|
851
|
800
|
46 x 42
|
1067
|
787
|
46 x 40
|
1016
|
775
|
46 x 38
|
965
|
762
|
46 x 36
|
914
|
762
|
46 x 34
|
864
|
749
|
46 x 32
|
813
|
949
|
46 x 30
|
762
|
737
|
46 x 28
|
711
|
737
|
46 x 26
|
660
|
737
|
46 x 24
|
610
|
724
|
46 x 22
|
559
|
724
|
48 x 46
|
1219
|
1168
|
889
|
838
|
48 x 44
|
1118
|
838
|
48 x 42
|
1067
|
813
|
48 x 40
|
1016
|
813
|
48 x 38
|
965
|
813
|
48 x 36
|
914
|
787
|
48 x 34
|
864
|
787
|
48 x 32
|
813
|
787
|
48 x 30
|
762
|
762
|
48 x 28
|
711
|
762
|
48 x 26
|
660
|
762
|
48 x 24
|
610
|
737
|
48 x 22
|
559
|
737
|
Note: Outlet dimension M for run sizes NPS 14 and larger is recommended but not required.
|