一、法兰标准
GB/T 9113.1-2000
PN1.0MPa（10bar)突面整体钢制管法兰
|
公称通经DN |
连接尺寸 |
密封面 |
法兰厚度C |
法兰颈 |
|
法兰外经D |
螺栓孔中心圆直径K |
螺栓孔径L |
螺栓 |
d |
f |
N |
R |
|
数量n |
螺纹规格 |
|
10 |
90 |
60 |
14 |
4 |
M12 |
41 |
2 |
14 |
28 |
3 |
|
15 |
95 |
65 |
14 |
4 |
M12 |
46 |
2 |
14 |
32 |
3 |
|
20 |
105 |
75 |
14 |
4 |
M12 |
56 |
2 |
16 |
40 |
4 |
|
25 |
115 |
85 |
14 |
4 |
M12 |
65 |
2 |
16 |
50 |
4 |
|
32 |
140 |
100 |
18 |
4 |
M16 |
76 |
2 |
18 |
60 |
5 |
|
40 |
150 |
110 |
18 |
4 |
M16 |
84 |
2 |
18 |
70 |
5 |
|
50 |
165 |
125 |
18 |
4 |
M16 |
99 |
2 |
20 |
84 |
6 |
|
65 |
185 |
145 |
18 |
4 |
M16 |
118 |
2 |
20 |
104 |
6 |
|
80 |
200 |
160 |
18 |
8 |
M16 |
132 |
2 |
20 |
120 |
6 |
|
100 |
220 |
180 |
18 |
8 |
M16 |
156 |
2 |
22 |
140 |
8 |
|
125 |
250 |
210 |
18 |
8 |
M20 |
184 |
2 |
22 |
170 |
8 |
|
150 |
285 |
240 |
18 |
8 |
M20 |
211 |
2 |
24 |
190 |
10 |
|
200 |
340 |
295 |
22 |
8 |
M20 |
266 |
2 |
24 |
246 |
10 |
|
250 |
395 |
350 |
22 |
12 |
M20 |
319 |
2 |
26 |
298 |
10 |
|
300 |
| |
