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Bluestar International
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An ISO 14001:2004 Certified Company
Manufacturers of flanges from India
Bluestar International
Bluestar International
Bluestar International Bluestar International Bluestar International Bluestar International Bluestar International Bluestar International
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Home - Flanges - DIN Pipe Flanges

DIN Pipe Flanges

One of the leading manufacturers and suppliers of a comprehensive range of flanges, we offer DIN pipe flanges that are high on utility. These are manufactured from high quality raw material in accordance with set industrial norms to provide our customers maximum satisfaction. Finding their usage in wide number of applications like waterworks, petrochemicals, refineries, chemical industry etc these stainless steel pipe flanges are perfect on all quality parameters. The steel DIN flanges are offered by us at most reasonable prices and timely delivery.


DIN 2635 / 2636


DIN 2635

DIN Flanges
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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


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DIN 2637 / 2638


DIN Flanges
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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


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DIN 2641

DIN 2641
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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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