GB系列主要法兰连接尺寸(RJ) Main flange connection size
公称压力PN(MPa) Nominal pressure | 公称通径DN(mm) Nominal diameter | D (mm) | D1 (mm) | K (mm) | C (mm) | 环号 Ring number | P (mm) | E (mm) | F (mm) | n-Φd (N0-mm) | 螺栓直径 (M)Bolt diameter |
11.0 | 20 | 120 | 82.5 | 64 | 16 | R16 | 42.88 | 6.35 | 8.74 | 4-Φ18 | 16 |
25 | 125 | 89 | 70 | 18 | R16 | 50.80 | 6.35 | 8.74 | 4-Φ18 | 16 | |
32 | 135 | 98.5 | 80 | 21 | R16 | 60.32 | 6.35 | 8.74 | 4-Φ18 | 16 | |
40 | 155 | 114.5 | 90.5 | 23 | R20 | 68.28 | 6.35 | 8.74 | 4-Φ22 | 20 | |
50 | 165 | 127 | 108 | 26 | R23 | 82.55 | 7.92 | 11.91 | 8-Φ18 | 16 | |
65 | 190 | 149 | 127 | 29 | R26 | 101.6 | 7.92 | 11.91 | 8-Φ22 | 20 | |
80 | 210 | 168.5 | 146 | 32 | R31 | 123.82 | 7.92 | 11.91 | 8-Φ26 | 24 | |
100 | 275 | 216 | 175 | 38.5 | R37 | 149.23 | 7.92 | 11.91 | 8-Φ26 | 24 | |
125 | 330 | 267 | 210 | 44.5 | R41 | 180.98 | 7.92 | 11.91 | 8-Φ30 | 27 | |
150 | 355 | 292 | 241 | 48 | R45 | 211.12 | 7.92 | 11.91 | 12-Φ30 | 27 | |
200 | 420 | 349 | 302 | 56 | R49 | 269.88 | 7.92 | 11.91 | 12-Φ33 | 30 | |
250 | 510 | 432 | 356 | 63.5 | R53 | 323.85 | 7.92 | 11.91 | 12-Φ36 | 33 | |
300 | 560 | 189 | 413 | 67 | R57 | 381 | 7.92 | 11.91 | 20-Φ36 | 33 | |
350 | 605 | 527 | 457 | 70 | R61 | 419.10 | 7.92 | 11.91 | 20-Φ39 | 36 | |
400 | 685 | 603 | 508 | 76.5 | R65 | 469.9 | 7.92 | 11.91 | 20-Φ42 | 39 | |
450 | 745 | 654 | 575 | 83 | R69 | 533.4 | 7.92 | 11.91 | 20-Φ45 | 42 | |
500 | 815 | 724 | 635 | 89 | R73 | 584.2 | 9.52 | 13.49 | 24-Φ45 | 42 | |
600 | 940 | 838 | 749 | 102 | R77 | 692.15 | 11.13 | 16.66 | 24-Φ51 | 48 | |
15.0 | 20 | 130 | 89 | 66.5 | 26 | R14 | 44.45 | 6.35 | 8.74 | 4-Φ22 | 20 |
25 | 150 | 101.5 | 71.5 | 29 | R16 | 50.8 | 6.35 | 8.74 | 4-Φ26 | 24 | |
32 | 160 | 111 | 81 | 29 | R18 | 60.33 | 6.35 | 8.74 | 4-Φ26 | 24 | |
40 | 180 | 124 | 92 | 32 | R20 | 68.28 | 6.35 | 8.74 | 4-Φ30 | 27 | |
50 | 215 | 165 | 124 | 38.5 | R24 | 92.25 | 7.92 | 11.91 | 8-Φ26 | 24 | |
65 | 245 | 190.5 | 137 | 41.5 | R27 | 107.95 | 7.92 | 11.91 | 8-Φ30 | 27 | |
80 | 240 | 190.5 | 156 | 38.5 | R31 | 123.83 | 7.92 | 11.91 | 8-Φ26 | 24 | |
100 | 290 | 235 | 181 | 44.5 | R37 | 149.23 | 7.92 | 11.91 | 8-Φ33 | 30 | |
125 | 350 | 279.5 | 216 | 51 | R41 | 180.98 | 7.92 | 11.91 | 8-Φ36 | 33 | |
150 | 380 | 317.5 | 241 | 56 | R45 | 211.12 | 7.92 | 11.91 | 12-Φ33 | 30 | |
200 | 470 | 393.5 | 308 | 63.5 | R49 | 269.88 | 7.92 | 11.91 | 12-Φ39 | 36 | |
250 | 545 | 470 | 362 | 70 | R53 | 323.85 | 7.92 | 11.91 | 16-Φ39 | 36 | |
300 | 610 | 533.5 | 419 | 79.5 | R57 | 381 | 7.92 | 11.91 | 20-Φ39 | 36 | |
350 | 640 | 559 | 467 | 86 | R62 | 419.1 | 11.13 | 16.66 | 20-Φ42 | 39 | |
400 | 705 | 616 | 524 | 89 | R66 | 469.9 | 11.13 | 16.66 | 20-Φ45 | 42 | |
450 | 785 | 686 | 594 | 102 | R70 | 533.4 | 12.7 | 19.84 | 20-Φ51 | 48 | |
500 | 855 | 749.5 | 648 | 108 | R74 | 584.2 | 12.7 | 19.84 | 20-Φ55 | 52 | |
600 | 1040 | 901.5 | 772 | 140 | R78 | 692.15 | 15.88 | 26.97 | 20-Φ68 | 64 | |
26.0 | 20 | 130 | 89 | 66.5 | 26 | R14 | 44.45 | 6.35 | 8.74 | 4-Φ22 | 20 |
25 | 150 | 101.5 | 71.5 | 29 | R16 | 50.8 | 6.35 | 8.74 | 4-Φ26 | 20 | |
32 | 160 | 111 | 81 | 29 | R18 | 60.33 | 6.35 | 8.74 | 4-Φ26 | 20 | |
40 | 180 | 124 | 92 | 32 | R20 | 68.28 | 6.35 | 8.74 | 4-Φ30 | 27 | |
50 | 215 | 165 | 124 | 38.5 | R24 | 92.25 | 7.92 | 11.91 | 8-Φ26 | 24 | |
65 | 245 | 190.5 | 137 | 41.5 | R27 | 107.95 | 7.92 | 11.91 | 8-Φ30 | 27 | |
80 | 265 | 203 | 168 | 48 | R35 | 136.52 | 7.92 | 11.91 | 8-Φ33 | 30 | |
100 | 310 | 241.5 | 194 | 54 | R39 | 161.92 | 7.92 | 11.91 | 8-Φ36 | 33 | |
125 | 375 | 292 | 229 | 73.5 | R44 | 193.68 | 7.92 | 11.91 | 8-Φ42 | 39 | |
150 | 395 | 317.5 | 248 | 83 | R46 | 211.12 | 9.52 | 13.49 | 12-Φ39 | 36 | |
200 | 485 | 393.5 | 318 | 92 | R50 | 269.88 | 11.13 | 16.66 | 12-Φ45 | 42 | |
250 | 585 | 482.5 | 371 | 108 | R54 | 323.85 | 11.13 | 16.66 | 12-Φ51 | 48 | |
300 | 675 | 571.5 | 438 | 124 | R58 | 381 | 14.27 | 23.01 | 16-Φ55 | 52 | |
350 | 750 | 635 | 489 | 133.5 | R63 | 419.10 | 15.88 | 26.97 | 16-Φ60 | 56 | |
400 | 825 | 705 | 546 | 146.5 | R67 | 469.9 | 17.48 | 30.18 | 16-Φ68 | 64 | |
450 | 915 | 774.5 | 613 | 162 | R71 | 533.4 | 17.48 | 30.18 | 16-Φ74 | 70 | |
500 | 985 | 832 | 673 | 178 | R75 | 584.2 | 17.48 | 33.32 | 16-Φ80 | 76 | |
600 | 1170 | 990.5 | 794 | 203.5 | R79 | 692.15 | 20.12 | 36.53 | 16-Φ94 | 90 | |
42.0 | 20 | 140 | 95 | 73 | 32 | R16 | 50.8 | 6.35 | 8.74 | 4-Φ22 | 20 |
25 | 160 | 108 | 82.5 | 35 | R18 | 60.32 | 6.35 | 8.74 | 4-Φ26 | 24 | |
32 | 185 | 130 | 102 | 38.5 | R21 | 72.24 | 7.92 | 11.91 | 4-Φ30 | 27 | |
40 | 205 | 146 | 114 | 44.5 | R23 | 82.55 | 7.92 | 11.91 | 4-Φ33 | 30 | |
50 | 235 | 171.5 | 133 | 51 | R26 | 101.6 | 7.92 | 11.91 | 8-Φ30 | 27 | |
65 | 265 | 197 | 149 | 57.5 | R28 | 111.12 | 9.52 | 13.49 | 8-Φ33 | 30 | |
80 | 305 | 228.5 | 168 | 67 | R32 | 127 | 9.52 | 13.49 | 8-Φ36 | 33 | |
100 | 355 | 273 | 203 | 76.5 | R38 | 157.18 | 11.13 | 16.66 | 8-Φ42 | 39 | |
125 | 420 | 324 | 241 | 92.5 | R42 | 190.5 | 12.7 | 19.84 | 8-Φ48 | 45 | |
150 | 485 | 368.5 | 279 | 108 | R47 | 228.6 | 12.7 | 19.84 | 8-Φ55 | 52 | |
200 | 550 | 438 | 340 | 127 | R51 | 279.4 | 14.27 | 23.01 | 12-Φ55 | 52 | |
250 | 675 | 539.5 | 425 | 165.5 | R55 | 342.9 | 17.48 | 30.18 | 12-Φ68 | 64 | |
300 | 760 | 619 | 495 | 134.5 | R60 | 406.4 | 17.48 | 33.32 | 12-Φ74 | 70 |
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