Technical Info of Long Radius Elbow & Long Radius, Return / U Bend

buttweld fitting technical info
Nominal Diameter
Outside Diameter
at Bevel

Center to End

Center to Center

Back to Face
B
A
O
K

DN

NPS

Series A
Series B

Long
Radius

Long
Radius

Short
Radius

Long
Radius

Short
Radius

Long
Radius

Short
Radius
15
1/2
21.3
18
16
38
-
76
-
48
-
20
3/4
26.9
25
19
38
-
76
-
51
-
25
1
33.7
32
22
38
25
76
51
56
41
32
1.1/4
42.4
38
25
48
32
95
64
70
52
40
1.1/2
48.3
45
29
57
38
114
76
83
62
50
2
60.3
57
35
76
51
152
102
106
81
65
2.1/2
76.1(73)
76

44

95
64
190
127
132
100
80
3
88.9
89
51
114
76
229
152
159
121
90
3.1/2
101.6
-
57
133
89
267
178
184
140
100
4
114.3
108
64
152
102
305
203
210
159
125
5
139.7
133
79
190
127
381
254
262
197
150
6
168.3
159
95
229
152
457
305
313
237
200
8
219.1
219
127
305
203
610
406
414
313
250
10
273.0
273
159
381
254
762
508
518
391
300
12
323.9
325
190
457
305
914
610
619
467
350
14
355.6
377
222
533
356
1067
711
711
533
400
16
406.4
426
254
610
406
1219
813
813
610
450
18
457.2
478
286
686
457
1372
914
914
686
500
20
508.0
529
318
762
508
1524
1016
1016
762
550
22
559
-
343
838
559
1676 1118 1118 838
600
24
610
630
381
914
610
1829 1219 1219 914
650
26
660
-
406
991
660
1982 1320 - -
700
28
711
720
438
1067
711
2134 1422 - -
750
30
762
-
470
1143
762
2286 1524 - -
800
32
813
820
502
1219
813
2438 1626 - -
850
34
864
-
533
1295
864
2590 1728 - -
900
36
914
920
565
1372
914
2744 1828 - -
950
38
965
-
600
1448
965
2896 1930 - -
1000
40
1016
1020
632
1524
1016
3048 2032 - -
1050
42
1067
-
660
1600
1067
3200 2134 - -
1100
44
1118
1120
695
1676
1118
3352 2236 - -
1150
46
1168
-
727
1753
1168
3506 2336 - -
1200
48
1220
1220
759
1829
1219
3658 2440 - -