|
GB/T1724法兰标准
PN(MPa) |
公称通径DN |
尺寸(mm) |
D |
D1 |
Z-M |
D2 |
f |
b |
0.6 |
10 |
75 |
50 |
4-M10 |
33 |
2 |
12 |
15 |
80 |
55 |
4-M10 |
38 |
2 |
12 |
20 |
90 |
65 |
4-M10 |
48 |
2 |
14 |
25 |
100 |
75 |
4-M10 |
58 |
2 |
14 |
32 |
120 |
90 |
4-M12 |
69 |
2 |
16 |
40 |
130 |
100 |
4-M12 |
78 |
3 |
16 |
50 |
140 |
110 |
4-M12 |
88 |
3 |
16 |
65 |
160 |
130 |
4-M12 |
108 |
3 |
16 |
80 |
190 |
150 |
4-M16 |
124 |
3 |
18 |
100 |
210 |
170 |
4-M16 |
144 |
3 |
18 |
125 |
240 |
200 |
8-M16 |
174 |
3 |
20 |
150 |
265 |
225 |
8-M16 |
199 |
3 |
20 |
200 |
320 |
280 |
8-M16 |
254 |
3 |
22 |
250 |
375 |
335 |
12-M16 |
309 |
3 |
24 |
300 |
440 |
395 |
12-M20 |
363 |
3 |
24 |
350 |
490 |
445 |
12-M20 |
413 |
4 |
26 |
400 |
540 |
495 |
16-M20 |
463 |
4 |
28 |
450 |
595 |
550 |
16-M20 |
518 |
4 |
28 |
500 |
645 |
600 |
20-M20 |
568 |
4 |
30 |
600 |
755 |
705 |
20-M24 |
667 |
4 |
30 |
700 |
860 |
810 |
24-M24 |
772 |
5 |
32 |
800 |
975 |
920 |
24-M27 |
878 |
5 |
34 |
900 |
1075 |
1020 |
24-M27 |
978 |
5 |
36 |
1000 |
1175 |
1120 |
28-M27 |
1078 |
5 |
36 |
1200 |
1405 |
1340 |
32-M30 |
1295 |
5 |
40 |
1400 |
1630 |
1560 |
36-M33 |
1510 |
5 |
44 |
1600 |
1830 |
1760 |
40-M33 |
1710 |
5 |
48 |
1800 |
2045 |
1970 |
44-M36 |
1918 |
5 |
50 |
2000 |
2265 |
2180 |
18-M39 |
2125 |
5 |
54 |
2200 |
2475 |
2390 |
52-M339 |
2335 |
5 |
60 |
2400 |
2685 |
2600 |
56-M39 |
2545 |
5 |
62 |
2600 |
2905 |
2810 |
60-M45 |
2750 |
6 |
64 |
2800 |
3115 |
3020 |
64-M45 |
2960 |
6 |
68 |
3000 |
3315 |
3220 |
68-M45 |
3160 |
6 |
70 |
3200 |
3525 |
3430 |
72-M45 |
3370 |
6 |
76 |
3400 |
3735 |
3640 |
76-M45 |
3580 |
6 |
80 |
3600 |
3970 |
3860 |
80-M52 |
3790 |
6 |
84 |
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