| |
JIS标准 |
JIS标准 |
| in |
公称通径 |
10kg=1.0MPa |
公称通径 |
16kg=1.6MPa |
| 法兰外径 |
螺栓孔距 |
螺栓直径 |
螺栓孔数 |
法兰厚度 |
法兰外径 |
螺栓孔距 |
螺栓直径 |
螺栓孔数 |
法兰厚度 |
| 11/2 |
DN40 |
140 |
105 |
19 |
4 |
16 |
DN40 |
140 |
105 |
19 |
4 |
16 |
| 2 |
DN50 |
155 |
120 |
19 |
4 |
16 |
DN50 |
155 |
120 |
19 |
8 |
16 |
| 21/2 |
DN65 |
175 |
140 |
19 |
4 |
18 |
DN65 |
175 |
140 |
19 |
8 |
18 |
| 3 |
DN80 |
185 |
150 |
19 |
8 |
18 |
DN80 |
200 |
160 |
22 |
8 |
20 |
| 31/2 |
DN90 |
195 |
160 |
19 |
8 |
18 |
DN90 |
210 |
170 |
22 |
8 |
20 |
| 4 |
DN100 |
210 |
175 |
19 |
8 |
18 |
DN100 |
225 |
185 |
22 |
8 |
22 |
| 5 |
DN125 |
250 |
210 |
23 |
8 |
20 |
DN125 |
270 |
225 |
25 |
8 |
22 |
| 6 |
DN150 |
280 |
240 |
23 |
8 |
22 |
DN150 |
305 |
260 |
25 |
12 |
24 |
| 8 |
DN200 |
330 |
290 |
23 |
12 |
22 |
DN200 |
350 |
305 |
25 |
12 |
26 |
| 10 |
DN250 |
400 |
355 |
25 |
12 |
24 |
DN250 |
430 |
380 |
29 |
12 |
28 |
| 12 |
DN300 |
445 |
400 |
25 |
16 |
24 |
DN300 |
480 |
430 |
29 |
16 |
30 |
| 14 |
DN350 |
490 |
445 |
25 |
16 |
26 |
DN350 |
540 |
480 |
32 |
16 |
34 |
| 16 |
DN400 |
560 |
510 |
27 |
16 |
28 |
DN400 |
605 |
540 |
35 |
16 |
38 |
| JIS标准 |
| 公称通径 |
20kg=2.0MPa |
| 法兰外径 |
螺栓孔距 |
螺栓直径 |
螺栓孔数 |
法兰厚度 |
| DN40 |
140 |
105 |
19 |
4 |
18 |
| DN50 |
155 |
120 |
19 |
8 |
18 |
| DN65 |
175 |
140 |
19 |
8 |
20 |
| DN80 |
200 |
160 |
23 |
8 |
22 |
| DN90 |
210 |
170 |
23 |
8 |
24 |
| DN100 |
225 |
185 |
23 |
8 |
24 |
| DN125 |
270 |
225 |
25 |
8 |
26 |
| DN150 |
305 |
260 |
25 |
12 |
28 |
| DN200 |
350 |
305 |
25 |
12 |
30 |
| DN250 |
430 |
380 |
29 |
12 |
34 |
| DN300 |
480 |
430 |
29 |
16 |
36 |
| DN350 |
540 |
480 |
33 |
16 |
40 |
| DN400 |
605 |
540 |
33 |
16 |
46 |
|
