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Butt-welding
Elbows and Returns
ASME B16.9、ASME B16.28 、DIN2605、JIS2311、JIS2312、SGP、GB 12459、GB/T 13401、SH 3408、SH3409、HG/T 21635、HG/T 21631、SY/T
0510、 |
Nominal Pipe Size |
Center to End |
Center to Center |
Back to Face |
45＜Elbow |
90＜Elbow |
180＜Return |
H |
F |
P |
K |
DN |
NPS |
LR |
LR |
SR |
LR |
SR |
LR |
SR |
15
20
25 |
1/2
3/4
1 |
16
19
22
|
38
38
38 |
--
--
25 |
76
76
76 |
--
--
51 |
48
51
56 |
--
--
41 |
32
40
50 |
11/4
11/2
2 |
25
29
35 |
48
57
76 |
32
38
51 |
95
114
152 |
64
76
102 |
70
83
106 |
52
62
81 |
65
80
90 |
21/2
3
31/2 |
44
51
57 |
95
114
133 |
64
76
89 |
190
229
267 |
127
152
178 |
132
159
184 |
100
121
140 |
100
125
150
|
4
5
6 |
64
79
95 |
152
190
229 |
102
127
152 |
305
381
457 |
203
254
305 |
210
262
313 |
159
197
237 |
200
250
300 |
8
10
12 |
127
159
190 |
305
381
457 |
203
254
305 |
610
762
914 |
406
508
610 |
414
518
619 |
313
391
497 |
350
400
450 |
14
16
18 |
222
254
286 |
533
610
686 |
356
406
457 |
1067
1219
1372 |
711
813
914 |
711
813
914 |
533
610
686 |
500
550
600 |
20
22
24 |
318
343
381 |
762
838
914 |
508
559
610 |
1524
1676
1829 |
1016
1118
1219 |
1016
1118
1219 |
762
838
914 |
650
700
750 |
26
28
30 |
405
438
470 |
991
1067
1143 |
660
711
762 |
H of 11mm shall be furnished for 3/4" 45＜Elbow,
F of 29mm shall be furnished for 90＜LR Elbow,
P and K of 57mm and 43mm shall be furnished for
180＜LR Elbow. at the manufacturer's option in
ASME B16.9.
|
800
850
900 |
32
34
36 |
502
533
565 |
1219
1295
1372 |
813
864
914 |
950
1000
1050 |
38
40
42 |
600
632
660 |
1448
1524
1600 |
965
1016
1067 |
1100
1150
1200 |
44
46
48 |
695
727
759 |
1676
1753
1829 |
1118
1168
1219 |
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