| 法兰图纸 |
 |
| GB1.6Mpa 法兰尺寸表(GB9119.4~88) |
| (mm) |
| 公称通径(DN) |
管子外径(A) |
连接尺寸 |
法兰厚度C |
法兰内径B |
| 法兰外径D |
中心圆直径K |
螺栓孔径L |
数量n |
螺栓Th |
| 10 |
17.2 |
90 |
60 |
14 |
4 |
M12 |
14 |
18.0 |
| 15 |
21.3 |
95 |
65 |
14 |
4 |
M12 |
14 |
22.0 |
| 20 |
26.9 |
105 |
75 |
14 |
4 |
M12 |
16 |
27.5 |
| 25 |
33.7 |
115 |
85 |
14 |
4 |
M12 |
16 |
34.5 |
| 32 |
42.4 |
140 |
100 |
18 |
4 |
M16 |
18 |
43.5 |
| 40 |
48.3 |
150 |
110 |
18 |
4 |
M16 |
18 |
49.5 |
| 50 |
60.3 |
165 |
125 |
18 |
4 |
M16 |
20 |
61.5 |
| 65 |
76.1 |
185 |
145 |
18 |
4 |
M16 |
20 |
77.5 |
| 80 |
88.9 |
200 |
160 |
18 |
8 |
M16 |
20 |
90.5 |
| 100 |
114.3 |
220 |
180 |
18 |
8 |
M16 |
22 |
116.0 |
| 125 |
139.7 |
250 |
210 |
18 |
8 |
M16 |
22 |
141.5 |
| 150 |
168.3 |
285 |
240 |
22 |
8 |
M20 |
24 |
170.5 |
| 200 |
219.1 |
340 |
295 |
22 |
12 |
M20 |
26 |
221.5 |
| 250 |
273.0 |
405 |
355 |
26 |
12 |
M24 |
29 |
276.5 |
| 300 |
323.9 |
460 |
410 |
26 |
12 |
M24 |
32 |
327.5 |
|
| |
| GB2.5Mpa 法兰尺寸表(GB9119.9~88) |
| (mm) |
| 公称通径(DN) |
管子外径(A) |
连接尺寸 |
密封面 |
法兰厚度C |
法兰内径B |
| 法兰外径D |
中心圆直径K |
螺栓孔径L |
数量n |
螺栓Th |
d |
f |
| 10 |
17.2 |
90 |
60 |
14 |
4 |
M12 |
41 |
2 |
14 |
18.0 |
| 15 |
21.3 |
95 |
65 |
14 |
4 |
M12 |
46 |
2 |
14 |
22.0 |
| 20 |
26.9 |
105 |
75 |
14 |
4 |
M12 |
56 |
2 |
16 |
27.5 |
| 25 |
33.7 |
115 |
85 |
14 |
4 |
M12 |
65 |
3 |
16 |
34.5 |
| 32 |
42.4 |
140 |
100 |
18 |
4 |
M16 |
76 |
3 |
18 |
43.5 |
| 40 |
48.3 |
150 |
110 |
18 |
4 |
M16 |
84 |
3 |
18 |
49.5 |
| 50 |
60.3 |
165 |
125 |
18 |
4 |
M16 |
99 |
3 |
20 |
61.5 |
| 65 |
76.1 |
185 |
145 |
18 |
8 |
M16 |
118 |
3 |
22 |
77.5 |
| 80 |
88.9 |
200 |
160 |
18 |
8 |
M16 |
132 |
3 |
24 |
90.5 |
| 100 |
114.3 |
235 |
190 |
22 |
8 |
M20 |
156 |
3 |
26 |
116.0 |
| 125 |
139.7 |
270 |
220 |
26 |
8 |
M24 |
184 |
3 |
28 |
141.5 |
| 150 |
168.3 |
300 |
250 |
26 |
8 |
M24 |
211 |
3 |
30 |
170.5 |
| 200 |
219.1 |
360 |
310 |
26 |
12 |
M24 |
274 |
3 |
32 |
221.5 |
| 250 |
273.0 |
425 |
370 |
30 |
12 |
M27 |
330 |
3 |
35 |
276.5 |
| 300 |
323.9 |
485 |
430 |
30 |
16 |
M27 |
389 |
4 |
38 |
327.5 |
|