压力等级 Pressure rating |
公称通径DN |
法兰Flange |
对焊Butt |
≥H |
H1 |
mm |
in |
L |
L1 |
1.6MPa
2.0MPa
(150)Lb |
50 |
2 |
178 |
216 |
107 |
|
65 |
21/2 |
190.5 |
241 |
125 |
|
80 |
3 |
230 |
283 |
152 |
|
100 |
4 |
229 |
305 |
178 |
|
125 |
5 |
356 |
381 |
190 |
|
150 |
6 |
394 |
457 |
235 |
|
200 |
8 |
457 |
251 |
265 |
|
250 |
10 |
533 |
559 |
295 |
|
300 |
12 |
610 |
635 |
325 |
|
350 |
14 |
686 |
762 |
355 |
|
400 |
16 |
762 |
838 |
435 |
|
450 |
18 |
864 |
914 |
470 |
|
500 |
20 |
914 |
991 |
515 |
|
600 |
24 |
1067 |
1143 |
690 |
|
700 |
28 |
1245 |
1346 |
745 |
|
800 |
32 |
1372 |
1524 |
855 |
|
900 |
36 |
1524 |
1727 |
890 |
|
1000 |
40 |
1721 |
1930 |
960 |
| |
压力等级 Pressure rating |
公称通径DN |
法兰Flange |
对焊Butt |
≥H |
H1 |
mm |
in |
L |
L1 |
2.5MPa
4.0MPa
5.0MPa
(300)Lb |
50 |
2 |
216 |
216 |
107 |
65 |
65 |
21/2 |
241 |
241 |
125 |
85 |
80 |
3 |
293 |
293 |
152 |
95 |
100 |
4 |
305 |
305 |
178 |
130 |
125 |
5 |
381 |
381 |
190 |
155 |
150 |
6 |
403 |
403 |
235 |
185 |
200 |
8 |
502 |
502 |
265 |
200 |
250 |
10 |
568 |
568 |
295 |
250 |
300 |
12 |
648 |
648 |
325 |
315 |
350 |
14 |
762 |
762 |
355 |
340 |
400 |
16 |
838 |
838 |
435 |
410 |
450 |
18 |
914 |
914 |
470 |
450 |
500 |
20 |
991 |
991 |
515 |
490 |
600 |
24 |
1143 |
1143 |
690 |
595 |
700 |
28 |
1346 |
1346 |
745 |
660 |
800 |
32 |
1524 |
1524 |
855 |
775 |
900 |
36 |
1727 |
1727 |
945 |
1010 |
1000 |
40 |
2083 |
2083 |
1040 |
950 | |