國標法蘭截止閥主要尺寸
2.5MPa | DN | L | D | D1 | D2 | B | n-φd | H | D0 |
凸面法蘭 | 10 | 130 | 90 | 60 | 40 | 16 | 4-φ14 | 198 | 120 |
15 | 130 | 95 | 65 | 45 | 16 | 4-φ14 | 218 | 120 | |
20 | 150 | 105 | 75 | 55 | 16 | 4-φ14 | 258 | 140 | |
25 | 160 | 115 | 85 | 65 | 16 | 4-φ14 | 275 | 140 | |
32 | 180 | 135 | 100 | 78 | 18 | 4-φ18 | 280 | 160 | |
40 | 200 | 145 | 110 | 85 | 18 | 4-φ18 | 330 | 180 | |
50 | 230 | 160 | 125 | 100 | 20 | 4-φ18 | 350 | 200 | |
65 | 290 | 180 | 145 | 120 | 22 | 8-φ18 | 400 | 280 | |
80 | 310 | 195 | 160 | 135 | 22 | 8-φ18 | 355 | 280 | |
100 | 350 | 230 | 190 | 160 | 24 | 8-φ23 | 415 | 320 | |
125 | 400 | 270 | 220 | 188 | 28 | 8-φ25 | 460 | 360 | |
150 | 480 | 300 | 250 | 218 | 30 | 8-φ25 | 510 | 450 | |
200 | 600 | 360 | 3lO | 278 | 34 | 12-φ25 | 710 | 500 | |
250 | 650 | 425 | 370 | 332 | 36 | 12-φ30 | 786 | 550 | |
300 | 750 | 485 | 430 | 390 | 40 | 16-φ30 | 925 | 600 | |
350 | 850 | 550 | 490 | 448 | 44 | 16-φ34 | 1075 | 700 | |
400 | 950 | 610 | 550 | 505 | 48 | 16-φ34 | 1235 | 800 | |
450 | 1200 | 660 | 600 | 555 | 50 | 20-φ34 | - | 1000 | |
500 | 1250 | 730 | 660 | 61O | 52 | 20-φ41 | - | 1000 |
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