压力等级 Pressure rating |
公称通径DN |
法兰Flange |
对焊Butt |
≥H |
H1 |
mm |
in |
L |
L1 |
6.4MPa
(400)Lb |
50 |
2 |
292 |
292 |
107 |
65 |
65 |
21/2 |
330 |
330 |
125 |
85 |
80 |
3 |
356 |
356 |
152 |
95 |
100 |
4 |
406 |
406 |
178 |
130 |
150 |
6 |
495 |
495 |
190 |
165 |
200 |
8 |
597 |
597 |
235 |
200 |
250 |
10 |
673 |
673 |
285 |
250 |
300 |
12 |
762 |
762 |
325 |
315 |
350 |
14 |
826 |
826 |
355 |
340 |
400 |
16 |
902 |
902 |
435 |
410 |
450 |
18 |
978 |
978 |
470 |
450 |
500 |
20 |
1054 |
1054 |
515 |
490 |
600 |
24 |
1232 |
1232 |
690 |
595 |
700 |
28 |
1397 |
1397 |
745 |
660 |
800 |
32 |
1651 |
1651 |
855 |
775 |
900 |
36 |
1880 |
1880 |
960 |
880 |
1000 |
40 |
2300 |
2300 |
1050 |
960 | |
压力等级 Pressure rating |
公称通径DN |
法兰Flange |
对焊Butt |
≥H |
H1 |
mm |
in |
L |
L1 |
6.4MPa
(400)Lb |
50 |
2 |
292 |
292 |
292 |
65 |
65 |
21/2 |
330 |
330 |
330 |
85 |
80 |
3 |
356 |
356 |
356 |
95 |
100 |
4 |
432 |
432 |
432 |
130 |
150 |
6 |
559 |
559 |
559 |
165 |
200 |
8 |
660 |
660 |
660 |
200 |
250 |
10 |
787 |
787 |
787 |
250 |
300 |
12 |
838 |
838 |
838 |
315 |
350 |
14 |
889 |
889 |
889 |
340 |
400 |
16 |
991 |
991 |
991 |
410 |
450 |
18 |
1092 |
1092 |
1092 |
450 |
500 |
20 |
1194 |
1194 |
1194 |
490 |
600 |
24 |
1397 |
1397 |
1397 |
595 |
700 |
28 |
1549 |
1549 |
1549 |
660 |
800 |
32 |
1778 |
1778 |
1778 |
775 |
900 |
36 |
2083 |
2083 |
2083 |
880 |
1000 |
40 |
2337 |
2337 |
2337 |
960 | |