Dimensions of Returns - ASME B16.9 & 16.28
|
NPS
|
OD
|
Long Radius
|
Short Radius
|
|
Center-to-Center, O
|
Back-to-Face, K
|
Center-to-Center, O
|
Back-to-Face, K
|
|
1/2
|
21.3
|
76
|
48
|
-
|
-
|
|
3/4
|
26.7
|
76
|
51
|
-
|
-
|
|
1
|
33.4
|
76
|
56
|
51
|
41
|
|
1 ¼
|
42.2
|
95
|
70
|
64
|
52
|
|
1 ½
|
48.3
|
114
|
83
|
76
|
62
|
|
2
|
60.3
|
152
|
106
|
102
|
81
|
|
2½
|
73
|
190
|
132
|
127
|
100
|
|
3
|
88.9
|
229
|
159
|
152
|
121
|
|
3 ½
|
101.6
|
267
|
184
|
178
|
140
|
|
4
|
114.3
|
305
|
210
|
203
|
159
|
|
5
|
141.3
|
381
|
262
|
254
|
197
|
|
6
|
168.3
|
457
|
313
|
305
|
237
|
|
8
|
219.1
|
610
|
414
|
406
|
313
|
|
10
|
273
|
762
|
518
|
508
|
391
|
|
12
|
323.8
|
914
|
619
|
610
|
467
|
|
14
|
355.6
|
1067
|
711
|
711
|
533
|
|
16
|
406.4
|
1219
|
813
|
813
|
610
|
|
18
|
457
|
1372
|
914
|
914
|
686
|
|
20
|
508
|
1524
|
1016
|
1016
|
762
|
|
22
|
559
|
1676
|
1118
|
1118
|
838
|
|
24
|
610
|
1829
|
1219
|
1219
|
914
|
|
