Specific Data: 
JIS B 2220 Lap Joint Flange Demension of Presssure 5K flanges A | D | C | h | No. | d0 | t | a | b | T | c | r | 15 | 80 | 60 | 12 | 4 | 23.4 | 9 | - | - | - | 3 | - | 20 | 85 | 65 | 12 | 4 | 28.9 | 10 | - | - | - | 3 | - | 25 | 95 | 75 | 12 | 4 | 35.6 | 10 | - | - | - | 3 | - | 32 | 115 | 90 | 15 | 4 | 44.3 | 12 | - | - | - | 4 | - | 40 | 120 | 95 | 15 | 4 | 50.4 | 12 | - | - | - | 4 | - | 50 | 130 | 105 | 15 | 4 | 62.7 | 14 | - | - | - | 4 | - | 65 | 155 | 130 | 15 | 4 | 78.7 | 14 | - | - | - | 5 | - | 80 | 180 | 145 | 19 | 4 | 91.6 | 14 | - | - | - | 5 | - | 100 | 200 | 165 | 19 | 8 | 116.9 | 16 | - | - | - | 5 | - | 125 | 235 | 200 | 19 | 8 | 143.0 | 16 | - | - | - | 6 | - | 150 | 265 | 230 | 19 | 8 | 168.0 | 18 | - | - | - | 6 | - | 200 | 320 | 280 | 23 | 8 | 219.5 | 20 | - | - | - | 6 | - | 250 | 385 | 345 | 23 | 12 | 271.7 | 22 | - | - | - | 6 | - | 300 | 430 | 390 | 23 | 12 | 322.8 | 22 | - | - | - | 9 | - | 350 | 180 | 435 | 25 | 12 | 360.2 | 24 | - | - | - | 9 | - | 400 | 540 | 495 | 25 | 16 | 411.2 | 24 | - | - | - | 9 | - | 450 | 605 | 555 | 25 | 16 | 462.3 | 24 | 495 | 500 | 40 | 9 | 5 | 500 | 655 | 605 | 25 | 20 | 514.4 | 24 | 546 | 552 | 40 | 9 | 5 | 550 | 720 | 665 | 27 | 20 | 565.2 | 26 | 597 | 603 | 42 | 9 | 5 | 600 | 770 | 715 | 27 | 20 | 616.0 | 26 | 648 | 654 | 44 | 9 | 5 |
Demension of Presssure 10K flanges A | D | C | h | No. | d0 | t | a | b | T | c | r | 15 | 95 | 70 | 15 | 4 | 23.4 | 12 | 27 | 30 | 16 | 3 | 4 | 20 | 100 | 75 | 15 | 4 | 28.9 | 14 | 33 | 36 | 20 | 3 | 4 | 25 | 125 | 90 | 19 | 4 | 35.6 | 14 | 41 | 44 | 20 | 3 | 4 | 32 | 135 | 100 | 19 | 4 | 44.3 | 16 | 50 | 53 | 22 | 4 | 4 | 40 | 140 | 105 | 19 | 4 | 50.4 | 16 | 56 | 60 | 24 | 4 | 4 | 50 | 155 | 120 | 19 | 4 | 62.7 | 16 | 69 | 73 | 24 | 4 | 4 | 65 | 175 | 140 | 19 | 4 | 78.7 | 18 | 86 | 91 | 27 | 5 | 4 | 80 | 185 | 150 | 19 | 8 | 91.6 | 18 | 99 | 105 | 30 | 5 | 4 | 100 | 210 | 175 | 19 | 8 | 116.9 | 18 | 127 | 130 | 36 | 5 | 4 | 125 | 250 | 210 | 23 | 8 | 143.0 | 20 | 154 | 161 | 40 | 6 | 4 | 150 | 280 | 240 | 23 | 8 | 168.4 | 22 | 182 | 189 | 40 | 6 | 4 | 250 | 400 | 355 | 25 | 12 | 271.7 | 24 | 288 | 292 | 36 | 6 | 6 | 300 | 445 | 400 | 25 | 16 | 322.8 | 24 | 340 | 346 | 38 | 9 | 6 | 350 | 490 | 445 | 25 | 16 | 360.2 | 26 | 380 | 386 | 42 | 9 | 6 | 400 | 560 | 510 | 27 | 16 | 411.2 | 28 | 436 | 442 | 44 | 9 | 6 | 450 | 620 | 565 | 27 | 20 | 462.3 | 30 | 496 | 502 | 48 | 9 | 6 | 500 | 675 | 620 | 27 | 20 | 514.4 | 30 | 548 | 554 | 48 | 9 | 6 | 550 | 745 | 680 | 33 | 20 | 565.2 | 32 | 604 | 610 | 52 | 9 | 6 | 600 | 795 | 730 | 33 | 24 | 616.0 | 32 | 656 | 662 | 52 | 9 | 6 |
Demension of Presssure 16K flanges A | D | C | h | No. | d0 | t | a | b | T | c | r | 15 | 95 | 70 | 15 | 4 | 23.40 | 12 | 30 | 32 | 16 | 3 | 4 | 20 | 100 | 75 | 15 | 4 | 28.90 | 14 | 38 | 42 | 20 | 3 | 4 | 25 | 125 | 90 | 19 | 4 | 35.60 | 14 | 46 | 50 | 20 | 3 | 4 | 32 | 135 | 100 | 19 | 4 | 44.30 | 16 | 56 | 60 | 22 | 4 | 5 | 40 | 140 | 105 | 19 | 4 | 50.40 | 16 | 62 | 66 | 24 | 4 | 5 | 50 | 155 | 120 | 19 | 8 | 62.70 | 16 | 76 | 80 | 24 | 4 | 5 | 65 | 175 | 140 | 19 | 8 | 78.70 | 18 | 94 | 98 | 26 | 5 | 5 | 80 | 200 | 160 | 23 | 8 | 91.60 | 20 | 108 | 112 | 28 | 5 | 6 | 90 | 210 | 170 | 23 | 8 | 104.10 | 20 | 120 | 124 | 30 | 5 | 6 | 100 | 225 | 185 | 23 | 8 | 116.90 | 22 | 134 | 138 | 34 | 5 | 6 | 125 | 270 | 225 | 25 | 8 | 143.00 | 22 | 164 | 170 | 34 | 6 | 6 | 150 | 305 | 260 | 25 | 12 | 168.40 | 24 | 196 | 202 | 38 | 6 | 6 | 200 | 350 | 305 | 25 | 12 | 219.50 | 26 | 244 | 252 | 40 | 6 | 6 | 250 | 430 | 380 | 27 | 12 | 271.70 | 28 | 304 | 312 | 44 | 6 | 6 | 300 | 480 | 430 | 27 | 16 | 322.80 | 30 | 354 | 364 | 48 | 9 | 8 | 350 | 540 | 480 | 33 | 16 | 360.20 | 34 | 398 | 408 | 52 | 9 | 8 | 400 | 605 | 540 | 33 | 16 | 411.20 | 38 | 446 | 456 | 60 | 9 | 10 | 450 | 675 | 605 | 33 | 20 | 462.30 | 40 | 504 | 514 | 64 | 9 | 10 | 500 | 730 | 660 | 33 | 20 | 514.40 | 42 | 558 | 568 | 68 | 9 | 10 | 550 | 795 | 720 | 39 | 20 | 565.20 | 44 | 612 | 622 | 70 | 9 | 10 | 600 | 845 | 770 | 39 | 24 | 616.00 | 46 | 666 | 676 | 74 | 9 | 10 |
Demension of Presssure 20K flanges A | D | C | h | No. | d0 | t | a | b | T | c | r | 15 | 95 | 70 | 15 | 4 | 23.4 | 14 | 34 | 36 | 20 | 3 | 4 | 20 | 100 | 75 | 15 | 4 | 28.9 | 16 | 40 | 42 | 22 | 3 | 4 | 25 | 125 | 90 | 19 | 4 | 35.6 | 16 | 48 | 50 | 24 | 3 | 4 | 32 | 135 | 100 | 19 | 4 | 44.3 | 18 | 56 | 60 | 26 | 4 | 5 | 40 | 140 | 105 | 19 | 4 | 50.4 | 18 | 62 | 66 | 26 | 4 | 5 | 50 | 155 | 120 | 19 | 8 | 62.7 | 18 | 76 | 80 | 26 | 4 | 5 | 65 | 175 | 140 | 19 | 8 | 78.7 | 20 | 100 | 104 | 30 | 5 | 5 | 80 | 200 | 160 | 23 | 8 | 91.6 | 22 | 113 | 117 | 34 | 5 | 6 | 90 | 210 | 170 | 23 | 8 | 104.1 | 24 | 126 | 130 | 36 | 5 | 6 | 100 | 225 | 185 | 23 | 8 | 116.9 | 24 | 138 | 142 | 36 | 5 | 6 | 125 | 270 | 225 | 25 | 8 | 143.0 | 26 | 166 | 172 | 40 | 6 | 6 | 150 | 305 | 260 | 25 | 12 | 168.4 | 28 | 196 | 202 | 42 | 6 | 6 | 200 | 350 | 305 | 25 | 12 | 219.5 | 30 | 244 | 252 | 46 | 6 | 6 | 250 | 430 | 380 | 27 | 12 | 271.7 | 34 | 304 | 312 | 52 | 6 | 6 | 300 | 480 | 430 | 27 | 16 | 322.8 | 36 | 354 | 364 | 56 | 9 | 8 | 350 | 540 | 480 | 33 | 16 | 360.2 | 40 | 398 | 408 | 62 | 9 | 8 | 400 | 605 | 540 | 33 | 16 | 411.2 | 46 | 446 | 456 | 70 | 9 | 10 | 450 | 675 | 605 | 33 | 20 | 462.3 | 48 | 504 | 514 | 78 | 9 | 10 | 500 | 730 | 660 | 33 | 20 | 514.4 | 50 | 558 | 568 | 84 | 9 | 10 | 550 | 795 | 720 | 39 | 20 | 565.2 | 52 | 612 | 622 | 90 | 9 | 10 | 600 | 845 | 770 | 39 | 24 | 616.0 | 54 | 666 | 676 | 96 | 9 | 10 |
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