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公称通径DN≤600mm，PN≥5.0MPa的凹凸面、榫槽面法兰密封面尺寸(GB/T 9114~9118—2000) mm |
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标记示例 公称通径100mm、公称压力5.0MPa(50bar)的凸面对焊钢制管法兰，标记为：法兰DN100-PN50 M GB/T 9115.2—2000 公称通径100mm、公称压力5.0MPa(50bar)的凹面对焊钢制管法兰，标记为：法兰DN100-PN50 F GB/T 9115.2—2000 |
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公称通径 DN |
PN≥5.0MPa(美洲体系) |
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密封面 |
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|
d |
X |
Y |
Z |
W |
f1 |
f2 |
|
|
15 |
46 |
35 |
36.5 |
24 |
25.5 |
7 |
5 |
|
20 |
54 |
43 |
44.5 |
32 |
33.5 |
7 |
5 |
|
25 |
62 |
51 |
52.5 |
36.5 |
38.0 |
7 |
5 |
|
32 |
73 |
63.5 |
65.0 |
46.0 |
47.5 |
7 |
5 |
|
40 |
84 |
73 |
74.5 |
52.5 |
54.0 |
7 |
5 |
|
50 |
103 |
92 |
93.5 |
71.5 |
73.0 |
7 |
5 |
|
65 |
116 |
105 |
106.5 |
84.0 |
85.5 |
7 |
5 |
|
80 |
138 |
127 |
128.5 |
106.5 |
108 |
7 |
5 |
|
100 |
168 |
157.5 |
159.0 |
130.5 |
132 |
7 |
5 |
|
125 |
197 |
186 |
187.5 |
159 |
160.5 |
7 |
5 |
|
150 |
227 |
216 |
217.5 |
189 |
190.5 |
7 |
5 |
|
200 |
281 |
270 |
271.5 |
236.5 |
238 |
7 |
5 |
|
250 |
335 |
324 |
325.5 |
284.5 |
286 |
7 |
5 |
|
300 |
392 |
381 |
382.5 |
341.5 |
343 |
7 |
5 |
|
350 |
424 |
413 |
414.5 |
373 |
374.5 |
7 |
5 |
|
400 |
481 |
470 |
471.5 |
424 |
425.5 |
7 |
5 |
|
450 |
544 |
533.5 |
535 |
487.5 |
489 |
7 |
5 |
|
500 |
595 |
584.5 |
586 |
532 |
533.5 |
7 |
5 |
|
600 |
703.5 |
692.5 |
694 |
640 |
641.5 |
7 |
5 |
