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Amco Metals DIN Flanges


DIN 2635 / 2636
DIN Flanges
DIN 2635 PN 40
DN D1 D B K H1 D3 S R H2 D4 F No. of holes D2 KG
ISO DIN
10 - 14.0 90 16 60 35 25 1.8 4 6 40 2 4 14 0.67
  17.2 - 90 16 60 35 28 1.8 4 6 40 2 4 14 0.66
15 - 20.0 95 16 65 38 30 2.0 4 6 45 2 4 14 0.75
  21.3 - 95 16 65 38 32 2.0 4 6 45 2 4 14 0.75
20 - 25.0 105 18 75 40 48 2.3 4 6 58 2 4 14 1.07
  26.9 - 105 18 75 40 40 2.3 4 6 58 2 4 14 1.07
25 - 30.0 115 18 85 40 42 2.6 4 6 68 2 4 14 1.29
  33.7 - 115 18 85 40 46 2.6 4 6 68 2 4 14 1.28
32 - 38.0 140 18 100 42 52 2.6 6 6 78 2 4 18 1.88
  42.4 - 140 18 100 42 56 2.6 6 6 78 2 4 18 1.86
40 - 44.5 150 18 110 45 60 2.6 6 7 88 3 4 18 2.10
  48.3 - 150 18 110 45 64 2.6 6 7 88 3 4 18 2.08
50 - 57.0 165 20 125 48 72 2.9 6 8 102 3 4 18 2.81
  60.3 - 165 20 125 48 75 2.9 6 8 102 3 4 18 2.78
65 76.1 - 185 22 145 52 90 2.9 6 10 122 3 8 18 3.81
80 88.9 - 200 24 160 58 105 3.2 8 12 138 3 8 18 4.62
100 - 108.0 235 24 190 65 128 3.8 8 12 162 3 8 22 6.42
  114.3 - 235 24 190 65 134 3.6 8 12 162 3 8 22 6.27
125 - 133.0 270 26 220 68 155 4.0 8 12 188 3 8 26 8.83
  139.7 - 270 26 220 68 162 4.0 8 12 188 3 8 26 8.61
150 - 159.0 300 28 250 75 182 4.5 10 12 218 3 8 26 11.67
  168.3 - 300 28 250 75 192 4.5 10 12 218 3 8 26 11.29
175 193.7 - 350 32 295 82 218 5.6 10 15 260 3 12 30 17.01
200 219.1 - 375 34 320 88 244 6.3 10 16 285 3 12 30 20.49
250 - 267.0 450 38 385 105 298 7.1 12 18 345 3 12 33 33.75
  273.0 - 450 38 385 105 306 7.1 12 18 345 3 12 33 33.34
300 323.9 - 515 42 450 115 362 8.0 12 18 410 4 16 33 46.55
350 355.6 - 580 46 510 125 408 8.8 12 20 465 4 16 36 67.73
  - 368.0 580 46 510 125 408 8.8 12 20 465 4 16 36 63.96
400 406.4 - 660 50 585 135 462 11.0 12 20 535 4 16 39 96.73
  - 419.0 660 50 585 135 462 11.0 12 20 535 4 16 39 91.99
500 508.0 - 755 52 670 140 562 14.2 12 20 615 4 20 42 120.96

DIN 2636 PN 64
DN D1 D B K H1 D3 S R H2 D4 F No. of holes D2 KG
ISO DIN
10 - 14.0 100 20 70 45 28 1.8 4 6 40 2 4 14 1.07
  17.2 - 100 20 70 45 32 1.8 4 6 40 2 4 14 1.08
15 - 20.0 105 20 75 45 32 2.0 4 6 45 2 4 14 1.19
  21.3 - 105 20 75 45 34 2.0 4 6 45 2 4 14 1.19
25 - 30.0 140 24 100 58 48 2.6 4 8 68 2 4 18 2.61
  33.7 - 140 24 100 58 52 2.6 4 8 68 2 4 18 2.60
40 - 44.5 170 26 125 62 65 2.9 6 10 88 3 4 22 4.00
  48.3 - 170 26 125 62 70 2.9 6 10 88 3 4 22 3.99
50 - 57.0 180 26 135 62 78 2.9 6 10 102 3 4 22 4.45
  60.3 - 180 26 135 62 82 2.9 6 10 102 3 4 22 4.42
65 76.1 - 205 26 160 66 98 3.2 6 12 122 3 8 22 5.49
80 88.9 - 215 28 170 72 112 3.6 8 12 138 3 8 22 6.50
100 - 108.0 250 30 200 76 132 4.0 8 12 162 3 8 26 9.25
  114.3 - 250 30 200 76 138 4.0 8 12 162 3 8 26 9.06
125 - 133.0 295 34 240 88 162 4.5 8 12 188 3 8 30 14.53
  139.7 - 295 34 240 88 168 4.5 8 12 188 3 8 30 14.23
150 - 159.0 345 36 280 95 192 5.6 10 12 218 3 8 33 21.35
  168.3 - 345 36 280 95 202 5.6 10 12 218 3 8 33 20.92
175 193.7 - 375 40 310 105 228 6.3 10 16 260 3 12 33 26.28
200 219.1 - 415 42 345 110 256 7.1 10 16 285 3 12 36 33.56
250 - 267.0 470 46 400 125 310 8.8 12 18 345 3 12 36 47.98
  273.0 - 470 46 400 125 316 8.8 12 18 345 3 12 36 47.32
300 323.9 - 530 52 460 140 372 11.0 12 18 410 4 16 36 66.44
350 355.6 - 600 56 525 150 420 12.5 12 20 465 4 16 39 96.23
  - 368.0 600 56 525 150 420 12.5 12 20 465 4 16 39 91.77
400 406.4 - 670 60 585 160 475 14.2 12 20 535 4 16 42 127.70
  - 419.0 670 60 585 160 475 14.2 12 20 535 4 16 42 122.13



DIN 2637 / 2638

DIN Flanges
DIN 2637 PN 100
DN d1 D B K H1 D3 S R H2 D4 F No. of holes D2 KG
ISO DIN
10 - 14.0 100 20 70 45 28 1.8 4 6 40 2 4 14 1.07
  17.2 - 100 20 70 45 32 1.8 4 6 40 2 4 14 1.08
15 - 20.0 105 20 75 45 32 2.0 4 6 45 2 4 14 1.19
  21.3 - 105 20 75 45 34 2.0 4 6 45 2 4 14 1.19
25 - 30.0 140 24 100 58 48 2.6 4 8 68 2 4 18 2.61
  33.7 - 140 24 100 58 52 2.6 4 8 68 2 4 18 2.60
40 - 44.5 170 26 125 62 65 2.9 6 10 88 3 4 22 4.00
  48.3 - 170 26 125 62 70 2.9 6 10 88 3 4 22 3.99
50 - 57.0 195 28 145 68 86 3.2 6 10 102 3 4 26 5.72
  60.3 - 195 28 145 68 90 3.2 6 10 102 3 4 26 5.70
65 76.1 - 220 30 170 76 108 3.6 6 12 122 3 8 26 7.43
80 88.9 - 230 32 180 78 120 4.0 8 12 138 3 8 26 8.58
100 - 108.0 265 36 210 90 145 5.0 8 12 162 3 8 30 13.02
  114.3 - 265 36 210 90 150 5.0 8 12 162 3 8 30 12.79
125 - 133.0 315 40 250 105 180 6.3 8 12 188 3 8 33 21.29
  139.7 - 315 40 250 105 180 6.3 8 12 188 3 8 33 20.68
150 - 159.0 355 44 290 115 210 7.1 10 12 218 3 12 33 28.90
  168.3 - 355 44 290 115 210 7.1 10 12 218 3 12 33 27.76
175 193.7 - 385 48 320 127 245 8.8 10 16 260 3 12 33 36.94
200 219.1 - 430 52 360 130 278 10.0 10 16 285 3 12 36 49.35
250 - 267.0 505 60 430 157 340 12.5 12 18 345 3 12 39 81.71
  273.0 - 505 60 430 157 340 12.5 12 18 345 3 12 39 80.09
300 323.9 - 585 68 500 170 400 14.2 12 18 410 4 16 42 116.25
350 355.6 - 655 74 560 189 460 16.0 12 20 465 4 16 48 166.09
  - 368.0 655 74 560 189 460 16.0 12 20 465 4 16 48 160.53

DIN 2638 PN6
DN ISO DIN D B K H1 D3 S R H2 D4 F No. of holes D2 KG
10 - 14.0 100 20 70 45 28 2.0 4 6 40 2 4 14 1.08
  17.2 - 100 20 70 45 32 2.0 4 6 40 2 4 14 1.08
15 - 20.0 105 20 75 45 32 2.0 4 6 45 2 4 14 1.19
  21.3 - 105 20 75 45 34 2.0 4 6 45 2 4 14 1.19
25 - 30.0 140 24 100 58 48 2.9 4 8 68 2 4 18 2.62
  33.7 - 140 24 100 58 52 2.9 4 8 68 2 4 18 2.62
40 - 44.5 170 28 125 64 65 3.6 6 10 88 3 4 22 4.36
  48.3 - 170 28 125 64 70 3.6 6 10 88 3 4 22 4.34
50 - 57.0 195 30 145 75 86 4.0 6 10 102 3 4 26 6.28
  60.3 - 195 30 145 75 90 4.0 6 10 102 3 4 26 6.27
65 76.1 - 220 34 170 82 108 5.0 6 12 122 3 8 26 8.61
80 88.9 - 230 36 180 86 120 6.3 8 12 138 3 8 26 10.09
100 - 108.0 265 40 210 100 145 8.0 8 12 162 3 8 30 15.28
  114.3 - 265 40 210 100 150 8.0 8 12 162 3 8 30 15.07
125 - 133.0 315 44 250 115 180 10.0 8 14 188 3 8 33 24.68
  139.7 - 315 44 250 115 180 10.0 8 14 188 3 8 33 24.09
150 - 159.0 355 50 290 128 210 12.5 10 14 218 3 12 33 35.14
  168.3 - 355 50 290 128 210 12.5 10 14 218 3 12 33 34.02
175 193.7 - 390 54 320 138 245 14.2 10 16 260 3 12 36 44.90
200 219.1 - 490 60 360 140 278 16.0 10 16 285 3 12 36 60.03
250 - 267.0 515 68 430 155 340 20.0 12 18 345 3 12 42 98.05
  273.0 - 515 68 430 155 340 20.0 12 18 345 3 12 42 96.52
300 323.9 - 585 76 500 175 400 22.2 12 18 410 4 16 42 138.80



DIN 2641
DIN Flanges
PN 6
DN d1 D D6 B K E No. of holes D2 KG
ISO DIN
10 - 14.0 75 16 10 50 2 4 11 0.30
  17.2 - 75 19 10 50 2 4 11 0.29
15 - 20.0 80 22 10 55 2 4 11 0.33
  21.3 - 80 24 10 55 2 4 11 0.33
20 - 25.0 90 28 10 65 2 4 11 0.42
  26.9 - 90 30 10 65 2 4 11 0.41
25 - 30.0 100 33 12 75 3 4 11 0.62
  33.7 - 100 36 12 75 3 4 11 0.61
32 - 38.0 120 42 12 90 3 4 14 0.88
  42.4 - 120 46 12 90 3 4 14 0.85
40 - 44.5 130 50 12 100 3 4 14 1.01
  48.3 - 130 54 12 100 3 4 14 0.98
50 - 57.0 140 62 12 110 3 4 14 1.11
  60.3 - 140 65 12 110 3 4 14 1.08
65 76.1 - 160 81 12 130 3 4 14 1.35
80 88.9 - 190 94 14 150 3 4 18 2.24
100 - 108.0 210 113 14 170 3 4 18 2.59
  114.3 - 210 119 14 170 3 4 18 2.47
125 - 133.0 240 138 14 200 3 8 18 3.10
  139.7 - 240 145 14 200 3 8 18 2.93
150 - 159.0 265 164 14 225 3 8 18 3.52
  168.3 - 265 173 14 225 3 8 18 3.25
200 219.1 - 320 225 16 280 3 8 18 4.85
250 - 267.0 375 273 20 335 3 12 18 7.67
  273.0 - 375 279 20 335 3 12 18 7.26
300 323.9 - 440 329 24 395 4 12 22 11.77
350 355.6 - 490 362 26 445 4 12 22 16.55
  - 368.0 490 374 26 445 4 12 22 15.13
400 406.4 - 540 413 28 495 4 16 22 19.56
  - 419.0 540 426 28 495 4 16 22 17.67
500 508.0 - 645 517 32 600 4 20 22 27.43
600 610.0 - 755 618 36 705 4 20 26 38.75
700 711.0 - 860 721 40 810 4 24 26 50.19
800 813.0 - 975 824 44 920 4 24 30 67.83
900 914.0 - 1075 926 48 1020 4 24 30 81.84
1000 1016.0 - 1175 1028 52 1120 4 28 30 95.74
1200 1220.0 - 1405 1232 60 1340 5 32 33 155.87





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