对焊长半径和短半径180°弯头的尺寸-ASME-B16.9 & B16.28
长半径和短半径180°弯头的尺寸-ASME-B16.9 & B16.28
|
NPS |
OD, D |
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 1/4 |
42.2 |
95 |
70 |
64 |
52 |
|
1 1/2 |
48.3 |
114 |
83 |
76 |
62 |
|
2 |
60.3 |
152 |
106 |
102 |
81 |
|
2 1/2 |
73 |
190 |
132 |
127 |
100 |
|
3 |
88.9 |
229 |
159 |
152 |
121 |
|
3 1/2 |
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 |