弯头Elbow
45°弯头 |
90°弯头
|
180°弯头 |
 |
 |
 |
| 公称通径 Nominal Diameter |
端部外径 Outside Diameter at Bevel
|
中心至端面 Center to End | 中心至中心 Center to Center | 背面至端面 Back to Face |
|
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| 45°弯头 45°Elbow | 90°弯头 90°Elbow | 180°弯头 180°Elbow |
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|
B |
A |
O |
K |
|
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|
DN |
NPS |
A 系列
Series A
|
B 系列
Series B
|
长半径
Long
Radius
|
长半径
Long
Radius
|
短半径
Short
Radius
|
长半径
Long
Radius
|
短半径
Short
Radius
|
长半径(A系列)
Long
Radius
|
短半径(A系列)
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 |
- |
- |
|
|
备注：上述弯头尺寸符合GB/T12459、GB/T13401、ASME B16.9、SH3408、SH3409、HG/T21635、HG/T21631、SY/T05010标准。 |
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