Bluestar International Bluestar International
Bluestar International
An ISO 9001:2000 Certified Company
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 - Flanges Drilling

Flanges Drilling

Offering weld neck flange which are available in different material and specifications. Our steel weld neck flange are machined with the wall thickness of the flange having the same dimensions of the matching pipes. These stainless steel weld neck flange are made from raw materials of supreme standards. They are used by all leading industries and suitable to use at high pressure, and varied cold or hot temperature. We ensure delivery of consignment within specified time period at low prices.


Weld Neck Flanges (Code 111) – BS 4504

Weld Neck Flanges (Code 111) – BS 4504Bluestar International, Weld Neck Flanges (Code 111) – BS 4504
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DN PN A B C D E F G H
mm mm mm mm mm mm mm mm
10 2.5, 6 75 12 28 26 1.8
10 90 14 35 28 1.8
16 90 17.2 14 35 6 28 3 1.8
25 90 16 35 28 1.8
40 90 16 35 28 1.8
15 2.5, 6 80 12 30 30 2
10 95 14 35 32 2
16 95 21.3 14 35 6 32 3 2
25 95 16 38 32 2
40 95 16 38 32 2
20 2.5, 6 90 14 32 38 2.3
10 105 16 38 39 2.3
16 105 26.9 16 38 6 39 4 2.3
25 105 18 40 40 2.3
40 105 18 40 40 2.3
25 2.5, 6 100 14 35 42 2.6
10 115 16 38 46 2.6
16 115 33.7 16 38 6 46 2.6
25 115 18 40 46 4 2.6
40 115 18 40 46 2.6
32 2.5, 6 120 14 35 55 2.6
10 140 16 40 56 2.6
16 140 42.4 16 40 6 56 5 2.6
25 140 18 42 56 2.6
40 140 18 42 56 2.6
40 2.5, 6 130 14 38 62 2.6
10 150 16 42 64 2.6
16 150 48.3 16 42 7 64 5 2.6
25 150 18 45 64 2.6
40 150 18 45 64 2.6
50 2.5, 6 140 14 38 74 2.9
10 165 18 45 74 2.9
16 165 60.3 18 45 8 74 5 2.9
25 165 20 48 74 2.9
40 165 20 48 74 2.9
65 2.5, 6 160 14 38 9 88 2.9
10 185 18 45 92 2.9
16 185 76.1 18 45 92 6 2.9
25 185 22 52 10 92 2.9
40 185 22 52 92 2.9
80 2.5, 6 190 16 42 102 3.2
10 200 20 50 10 110 3.2
16 200 88.9 20 50 110 6 3.2
25 200 24 58 12 110 3.2
40 200 24 58 110 3.2
100 2.5, 6 210 16 45 10 130 3.6
10 220 20 52 130 6 3.6
16 220 114.3 20 52 130 3.6
25 235 24 65 12 134 3.6
40 235 24 65 134 3.6
125 2.5, 6 240 18 48 10 155 4
10 250 22 55 158 4
16 250 139.7 22 55 158 6 4
25 270 26 68 12 162 4
40 270 26 68 162 4
150 2.5, 6 265 18 48 184 4.5
10 285 22 55 184 8 4.5
16 285 168.3 22 55 12 184 4.5
25 300 28 75 190 4.5
40 300 28 75 190 4.5
200 2.5, 6 320 20 55 15 236 5.6
10 340 24 62 234 8 5.6
16 340 219.1 24 62 16 234 5.6
25 360 30 80 244 6.3
40 375 34 88 244 6.3
250 2.5, 6 375 22 60 15 290 6.3
10 395 26 68 288 10 6.3
16 405 273 26 70 16 288 6.3
25 425 32 88 296 7.1
40 450 38 105 18 306 7.1
300 2.5, 6 440 22 62 15 342 7.1
10 445 26 68 342 10 7.1
16 460 323.9 28 78 16 342 7.1
25 485 34 92 350 8
40 515 42 115 18 362 8
350 2.5, 6 490 22 62 15 385 7.1
10 505 26 68 390 10 7.1
16 520 355.6 30 82 16 390 8
25 555 38 100 398 8
40 580 46 125 20 408 8.8
400 2.5, 6 540 22 65 15 438 7.1
10 565 26 72 440 7.1
16 580 406.4 32 85 16 444 10 8
25 620 40 110 452 8.8
40 660 50 135 20 462 11
450 2.5, 6 595 24 65 15 492 7.1
10 615 28 72 488 7.1
16 640 457 34 87 16 490 12 8
25 670 42 110 500 8.8
40 685 50 135 20 500 12.5
500 2.5, 6 645 24 68 15 538 7.1
10 670 28 75 540 7.1
16 715 508 34 90 16 546 12 8
25 730 44 125 558 10
40 755 52 140 20 562 14.2
600 2.5, 6 755 24 70 16 640 7.1
10 780 28 80 640 7.1
16 840 610 36 95 18 650 12 8.8
25 845 46 125 660 11
40 890 60 150 20 666 16
700 2.5, 6 860 24 70 740 -1
10 860 24 70 16 740 7.1
16 895 711 30 80 746 12 8
25 910 36 100 18 750 8.8
40 960 46 125 20 760 12.5
800 2.5, 6 975 26 70 842 -1
10 975 24 70 16 842 7.1
16 1015 813 32 90 18 848 12 8
25 1025 38 105 20 848 10
40 1085 50 135 22 864 14.2
900 2.5, 6 1075 26 70 942 -1
10 1075 26 70 16 942 7.1
16 1115 914 34 95 948 12 10
25 1125 40 110 20 948 10
40 1185 54 145 24 968 16
1000 2.5, 6 1175 26 70 16 1045 -1
10 1175 26 70 1045 7.1
16 1230 1016 34 95 20 1050 12 10
25 1255 42 120 22 1056 10
40 1320 58 155 24 1070 17.5
1200 2.5 1375 26 70 16 1245 16 -1
6 1405 28 90 20 1248 8
10 1455 1220 38 115 25 1256 12 11
16 1485 48 130 30 1260 12.5
1400 2.5 1575 26 70 16 1445 16 -1
6 1630 32 90 20 1452 8
10 1675 1420 42 120 25 1460 12 12
16 1685 52 145 30 1465 14.2
1600 2.5 1790 26 80 1645 16 -1
6 1830 1620 34 90 20 1655 9
10 1915 46 130 25 1666 12 14
16 1930 58 160 35 1668 16
1800 2.5 1990 26 80 1845 16 -1
6 2045 1820 36 100 20 1855 10
10 2115 50 140 30 1866 15 15
16 2130 62 170 35 1870 17.5
2000 2.5 2190 26 80 22 2045 16 -1
6 2265 2020 38 110 25 2058 11
10 2325 54 150 30 2070 15 16
16 2345 66 190 40 2072 20

Notes
  • 1 To be specified by the purchaser


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Slip On Flanges (Code 112) - BS 4504

Slip On Flanges (Code 112) - BS 4504Bluestar International, Slip On Flanges (Code 112) - BS 4504
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DN PN A B C D E F
mm mm mm mm mm mm
10 6 75 12 20 25
10 & 16 90 18.0 14 20 30 3
25 & 40 90 16 22 30
15 6 80 12 20 30
10 & 16 95 22 14 20 35 3
25 & 40 95 16 22 35
20 6 90 14 24 40
10 & 16 105 27.5 16 24 45 4
25 & 40 105 18 26 45
25 6 100 14 24 50
10 & 16 115 34.5 16 24 52 4
25 & 40 115 18 28 52
32 6 120 14 26 60
10 & 16 140 43.5 16 26 60 5
25 & 40 140 18 30 60
40 6 130 14 26 70
10 & 16 150 49.5 16 26 70 5
25 & 40 150 18 32 70
50 6 140 14 28 80
10 & 16 165 61.5 18 28 84 5
25 & 40 165 20 34 84
65 6 160 14 32 100
10 & 16 185 77.5 18 32 104 6
25 & 40 185 22 38 104
80 6 190 16 34 110
10 & 16 200 90.5 20 34 118 6
25 & 40 200 24 40 118
100 6 210 16 40 130
10 & 16 220 116.0 20 40 140 6
25 & 40 235 24 44 145
125 6 240 18 44 160
10 & 16 250 141.5 22 44 168 6
25 & 40 270 26 48 170
150 6 265 18 44 185
10 & 16 285 170.5 22 44 195 8
25 & 40 300 28 75 190
200 6 320 20 44 240
10 & 16 340 221.5 24 44 246 8
25 360 30 52 256
40 375 34 52 260
250 6 375 22 44 295
10 395 26 46 298 10
16 405 276.5 26 46 298
25 425 32 60 310
40 450 38 60 312
300 6 440 22 44 355
10 445 26 46 355 10
16 460 327.5 28 46 350
25 485 34 67 364
40 515 42 67 380
350 10 505 359.5 26 53 400
16 520 359.0 30 57 400 10
25 555 38 72 418
40 580 359.5 46 72 424
400 10 565 26 57 456
16 580 411.0 32 63 456 10
25 620 40 78 472
40 660 50 78 478
450 10 615 28 63 502
16 640 462.0 34 68 502 12
25 670 42 84 520
40 685 50 84 522
500 10 670 28 67 559
16 715 34 73 559 12
25 730 513.5 44 90 580
40 755 52 90 576
600 10 780 28 75 658
16 840 616.5 36 83 658 12
25 845 46 100 684
40 890 60 100 686

Notes
  • The hubs of slip on (code 112) flanges are parallel or have a draft <7degrees.


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Threaded Flanges (Code 113)- BS 4504

Threaded Flanges (Code 113)- BS 4504Bluestar International, Threaded Flanges (Code 113)- BS 4504
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DN PN A B C D E
mm mm mm mm mm
10 6 75 25 12 20
16 90 30 14 20 3
40 90 30 16 22
15 6 80 30 12 20
16 95 35 14 20 3
40 95 35 16 22
20 6 90 40 14 24
16 105 45 16 24 4
40 105 45 18 26
25 6 100 50 14 24
16 115 52 16 24 4
40 115 52 18 28
32 6 120 60 14 26
16 140 60 16 26 5
40 140 60 18 30
40 6 130 70 14 26
16 150 70 16 26 5
40 150 70 18 32
50 6 140 80 14 28
16 165 84 18 28 5
40 165 84 20 34
65 6 160 100 14 32
16 185 104 18 32 6
40 185 104 22 38
80 6 190 110 16 34
16 200 118 20 34 6
40 200 118 24 40
100 6 210 130 16 40
16 220 140 20 40 6
40 235 145 24 44
125 6 240 160 18 44
16 250 168 22 44 6
40 270 170 26 48
150 6 265 185 18 44
16 285 195 22 44 8
40 300 200 28 52
200 6 320 240 20 44
16 340 246 24 44 8
40 375 260 34 52
250 6 375 295 22 44
16 405 298 26 46 10
40 450 312 38 60
300 6 440 355 22 44
16 460 350 28 46 10
40 515 380 42 67
350 16 520 400 30 57 10
40 580 424 46 72
400 16 580 456 32 63 10
40 660 478 50 78
450 16 640 502 34 68 12
40 685 522 50 84
500 16 715 559 34 73 12
40 755 576 52 90
600 16 840 658 36 83 12
40 890 686 60 100
700 16 910 760 36 83 12
800 16 1025 864 38 90 12
900 16 1125 968 40 94 12
1000 16 1255 1072 42 100 12

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Notes
  • Threaded Flanges (Code 113) threads are tapered or parallel.
  • BS 21 or ANSI/ASME B1 .20.1 threads may be specified (see Section 10)
  • The hubs of slip on (code 113) flanges are parallel or have a draft <7degrees.



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