JIS标准 | JIS标准 | JIS标准 | ||||||||||||||||
in | 公称通径 | 10kg=1.0MPa | 公称通径 | 16kg=1.6MPa | 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 | 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 | ||||
3/8 | DN10 | DN10 | DN10 | |||||||||||||||
1/2 | DN15 | DN15 | DN15 | |||||||||||||||
3/4 | DN20 | DN20 | DN20 | |||||||||||||||
1 | DN25 | DN25 | DN25 | |||||||||||||||
11/4 | DN32 | DN32 | DN32 | |||||||||||||||
11/2 | DN40 | 140 | 105 | 19 | 4 | 16 | DN40 | 140 | 105 | 19 | 4 | 16 | DN40 | 140 | 105 | 19 | 4 | 18 |
2 | DN50 | 155 | 120 | 19 | 4 | 16 | DN50 | 155 | 120 | 19 | 8 | 16 | DN50 | 155 | 120 | 19 | 8 | 18 |
21/2 | DN65 | 175 | 140 | 19 | 4 | 18 | DN65 | 175 | 140 | 19 | 8 | 18 | DN65 | 175 | 140 | 19 | 8 | 20 |
3 | DN80 | 185 | 150 | 19 | 8 | 18 | DN80 | 200 | 160 | 22 | 8 | 20 | DN80 | 200 | 160 | 23 | 8 | 22 |
31/2 | DN90 | 195 | 160 | 19 | 8 | 18 | DN90 | 210 | 170 | 22 | 8 | 20 | DN90 | 210 | 170 | 23 | 8 | 24 |
4 | DN100 | 210 | 175 | 19 | 8 | 18 | DN100 | 225 | 185 | 22 | 8 | 22 | DN100 | 225 | 185 | 23 | 8 | 24 |
5 | DN125 | 250 | 210 | 23 | 8 | 20 | DN125 | 270 | 225 | 25 | 8 | 22 | DN125 | 270 | 225 | 25 | 8 | 26 |
6 | DN150 | 280 | 240 | 23 | 8 | 22 | DN150 | 305 | 260 | 25 | 12 | 24 | DN150 | 305 | 260 | 25 | 12 | 28 |
8 | DN200 | 330 | 290 | 23 | 12 | 22 | DN200 | 350 | 305 | 25 | 12 | 26 | DN200 | 350 | 305 | 25 | 12 | 30 |
10 | DN250 | 400 | 355 | 25 | 12 | 24 | DN250 | 430 | 380 | 29 | 12 | 28 | DN250 | 430 | 380 | 29 | 12 | 34 |
12 | DN300 | 445 | 400 | 25 | 16 | 24 | DN300 | 480 | 430 | 29 | 16 | 30 | DN300 | 480 | 430 | 29 | 16 | 36 |
14 | DN350 | 490 | 445 | 25 | 16 | 26 | DN350 | 540 | 480 | 32 | 16 | 34 | DN350 | 540 | 480 | 33 | 16 | 40 |
16 | DN400 | 560 | 510 | 27 | 16 | 28 | DN400 | 605 | 540 | 35 | 16 | 38 | DN400 | 605 | 540 | 33 | 16 | 46 |
18 | DN450 | DN450 | DN450 | |||||||||||||||
20 | DN500 | DN500 | DN500 | |||||||||||||||
24 | DN600 | DN600 | DN600 | |||||||||||||||