CHEMICAL COMPOSITION OF STAINLESS STEEL
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CARBON STEEL, ALLOY STEEL, LOW TEMP, PIPE & TUBES SPECIFICATION
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CARBON STEEL / ALLOY STEEL / STAINLESS STEEL PIPE & TUBES SCHEDULE DIMENSIONS WALL THICKNESS, WT./MTR. (KG)
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MS / GI ERW / EFW TUBE / PIPE CONFIRMING TO IS:1239 PART 1 PLAIN END./ IS 3589 GR. 330/410/450 BEVELLED END
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TECHNICAL SPECIFICATIONS OF FLANGES
DIMENSIONS OF CLASS 150 FLANGES AS PER B 16.5
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| Nominal Pipe Size | Flange Dia O | Dia of Bolt Circle A | Dia of Bolt Holes | No. of Holes | Thk. of Flange tf | Dia of Hub C | Length through Hub | Dia Bore | Dia of R/F F | Depth of Socket F | Pipe Dia X | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/O & SW E | W/N | L/J Y | S/O & SW | L/J B | ||||||||||
| E | Y | Y | B | B | ||||||||||
| 15 | 88.9 | 60.3 | 15.9 | 4 | 11.1 | 30.2 | 15.9 | 47.6 | 15.9 | 22.3 | 22.9 | 34.9 | 9.5 | 21.33 |
| 20 | 98.4 | 69.8 | 15.9 | 4 | 12.7 | 38.1 | 15.9 | 52.4 | 15.9 | 27.7 | 28.2 | 42.9 | 11.1 | 26.67 |
| 25 | 107.9 | 79.4 | 15.9 | 4 | 14.3 | 49.2 | 17.5 | 55.6 | 17.5 | 34.5 | 35.0 | 50.8 | 12.7 | 33.40 |
| 32 | 117.5 | 88.9 | 15.9 | 4 | 15.9 | 58.7 | 20.6 | 57.1 | 20.6 | 43.2 | 43.7 | 63.5 | 14.3 | 42.16 |
| 40 | 127.0 | 98.4 | 15.9 | 4 | 17.5 | 65.1 | 22.2 | 61.9 | 22.2 | 49.5 | 50.0 | 73.0 | 15.9 | 48.26 |
| 50 | 152.4 | 120.6 | 19.0 | 4 | 19.0 | 77.8 | 25.4 | 63.5 | 25.4 | 62.0 | 62.5 | 92.1 | 17.5 | 60.31 |
| 65 | 177.8 | 139.7 | 19.0 | 4 | 22.2 | 90.5 | 28.6 | 69.8 | 28.6 | 74.7 | 75.4 | 104.8 | 19.0 | 73.02 |
| 80 | 190.5 | 152.4 | 19.0 | 4 | 23.8 | 107.9 | 30.2 | 69.8 | 30.2 | 90.7 | 91.4 | 127.0 | 20.6 | 88.90 |
| 100 | 228.6 | 190.5 | 19.0 | 8 | 23.8 | 134.9 | 33.3 | 76.2 | 33.3 | 116.1 | 116.8 | 157.2 | 23.8 | 114.30 |
| 125 | 254.0 | 215.9 | 22.2 | 8 | 23.8 | 163.5 | 36.5 | 88.9 | 36.5 | 143.8 | 144.5 | 185.7 | 23.8 | 141.30 |
| 150 | 279.4 | 241.3 | 22.2 | 8 | 25.4 | 192.1 | 39.7 | 88.9 | 39.7 | 170.1 | 171.4 | 215.9 | 27.0 | 168.27 |
| 200 | 342.9 | 298.4 | 22.2 | 8 | 26.4 | 246.1 | 44.4 | 101.6 | 44.4 | 221.5 | 222.2 | 269.9 | 31.7 | 219.07 |
| 250 | 406.4 | 361.9 | 25.4 | 12 | 30.2 | 304.8 | 49.2 | 101.6 | 49.2 | 276.3 | 277.4 | 323.8 | 33.3 | 273.05 |
| 300 | 482.6 | 431.8 | 25.4 | 12 | 31.8 | 365.1 | 55.6 | 114.3 | 55.6 | 327.1 | 328.2 | 381.0 | 39.7 | 323.85 |
| 350 | 533.4 | 476.2 | 28.6 | 12 | 34.9 | 400.0 | 57.1 | 127.0 | 75.4 | 359.1 | 360.2 | 412.7 | 41.3 | 355.60 |
| 400 | 596.9 | 539.7 | 28.6 | 16 | 36.5 | 457.2 | 63.5 | 127.0 | 87.3 | 411.5 | 411.2 | 469.9 | 44.4 | 406.40 |
| 450 | 635.0 | 577.8 | 31.7 | 16 | 39.7 | 504.8 | 68.3 | 139.7 | 96.8 | 461.8 | 462.3 | 533.4 | 49.2 | 457.00 |
| 500 | 698.5 | 635.0 | 31.7 | 20 | 42.9 | 558.8 | 73.0 | 144.5 | 103.2 | 513.1 | 514.3 | 584.2 | 54.0 | 508.00 |
| 600 | 812.8 | 749.3 | 34.9 | 20 | 47.6 | 663.6 | 82.5 | 152.4 | 111.1 | 615.9 | 615.9 | 692.1 | 63.5 | 609.60 |
DIMENSIONS OF CLASS 300 FLANGES AS PER B 16.5
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| Nominal Pipe Size | Flange Dia O | Dia of Bolt Circle A | Dia of Bolt Holes | No. of Holes | Thk. of Flange tf | Dia of Hub C | Length through Hub | Dia Bore | Dia of R/F F | Depth of Socket F | Pipe Dia X | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/O & SW E | W/N | L/J Y | S/O & SW | L/J B | ||||||||||
| E | Y | Y | B | B | ||||||||||
| 15 | 95.2 | 66.7 | 15.9 | 4 | 14.3 | 38.1 | 22.2 | 52.4 | 22.2 | 22.3 | 22.9 | 34.9 | 9.5 | 21.33 |
| 20 | 117.5 | 82.5 | 19.0 | 4 | 15.9 | 47.6 | 25.4 | 57.1 | 25.4 | 27.7 | 28.2 | 42.9 | 11.1 | 26.67 |
| 25 | 123.8 | 88.9 | 19.0 | 4 | 17.5 | 54.0 | 27.0 | 61.9 | 27.0 | 34.5 | 35.0 | 50.8 | 12.7 | 33.40 |
| 32 | 133.3 | 98.4 | 19.0 | 4 | 19.0 | 63.5 | 27.0 | 65.1 | 27.0 | 43.2 | 43.7 | 63.5 | 14.3 | 42.16 |
| 40 | 155.6 | 114.3 | 22.2 | 4 | 20.3 | 69.8 | 30.2 | 68.3 | 30.2 | 49.5 | 50.0 | 73.0 | 15.9 | 48.26 |
| 50 | 165.1 | 127.0 | 19.0 | 8 | 22.2 | 84.1 | 33.3 | 69.8 | 33.3 | 62.0 | 62.5 | 92.1 | 17.5 | 60.31 |
| 65 | 190.5 | 149.2 | 22.2 | 8 | 25.4 | 100.0 | 38.1 | 76.2 | 38.1 | 74.7 | 75.4 | 104.8 | 19.0 | 73.02 |
| 80 | 209.5 | 168.3 | 22.2 | 8 | 28.6 | 117.5 | 42.9 | 79.4 | 42.9 | 90.7 | 91.4 | 127.0 | 20.6 | 88.90 |
| 100 | 254.0 | 200.0 | 22.2 | 8 | 31.8 | 146.0 | 47.6 | 85.7 | 47.6 | 116.1 | 116.8 | 157.2 | 23.8 | 114.30 |
| 125 | 279.4 | 234.9 | 22.2 | 8 | 34.9 | 177.8 | 50.8 | 98.4 | 50.8 | 143.8 | 144.5 | 185.7 | – | 141.30 |
| 150 | 317.5 | 269.9 | 22.2 | 12 | 36.5 | 206.4 | 52.4 | 98.4 | 62.4 | 170.1 | 171.4 | 215.9 | – | 168.27 |
| 200 | 381.0 | 330.2 | 25.4 | 12 | 41.3 | 260.3 | 61.9 | 111.1 | 61.9 | 221.5 | 222.2 | 269.9 | – | 219.07 |
| 250 | 444.5 | 387.3 | 28.6 | 16 | 47.8 | 320.7 | 66.7 | 117.5 | 95.2 | 276.3 | 277.4 | 323.8 | – | 273.05 |
| 300 | 520.7 | 450.8 | 31.7 | 16 | 50.8 | 374.6 | 73.0 | 130.2 | 101.6 | 327.1 | 328.2 | 381.0 | – | 323.85 |
| 350 | 584.2 | 514.3 | 31.7 | 20 | 54.0 | 425.4 | 76.2 | 142.9 | 111.1 | 359.1 | 360.2 | 412.7 | – | 355.60 |
| 400 | 647.7 | 571.5 | 34.9 | 20 | 57.2 | 485.8 | 82.5 | 152.4 | 120.6 | 410.5 | 411.2 | 469.9 | – | 406.40 |
| 450 | 711.2 | 628.6 | 34.9 | 24 | 60.3 | 533.4 | 88.9 | 158.8 | 127.0 | 461.8 | 462.3 | 533.4 | – | 457.20 |
| 500 | 774.7 | 685.8 | 34.9 | 24 | 63.5 | 584.2 | 95.2 | 165.1 | 139.7 | 513.1 | 514.3 | 584.2 | – | 508.00 |
| 600 | 914.4 | 812.8 | 41.3 | 24 | 69.8 | 692.2 | 106.4 | 184.2 | 152.4 | 615.9 | 615.9 | 692.1 | – | 609.60 |
DIMENSIONS OF CLASS 600 FLANGES AS PER B 16.5
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| Nominal Pipe Size | Flange Dia O | Dia of Bolt Circle A | Dia of Bolt Holes | No. of Holes | Thk. of Flange tf | Dia of Hub C | Length through Hub | Dia Bore | Dia of R/F F | Depth of Socket F | Pipe Dia X | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/O & SW E | W/N | L/J Y | S/O & SW | L/J B | ||||||||||
| 15 | 95.2 | 66.7 | 15.9 | 4 | 14.3 | 38.1 | 22.2 | 52.4 | 22.3 | 22.3 | 22.8 | 34.9 | 9.5 | 21.33 |
| 20 | 117.5 | 82.5 | 19.0 | 4 | 15.9 | 47.6 | 27.4 | 57.1 | 25.4 | 27.7 | 28.1 | 42.9 | 11.1 | 26.67 |
| 25 | 135.8 | 88.9 | 19.0 | 4 | 17.5 | 54.0 | 27.0 | 61.9 | 26.9 | 34.5 | 35.0 | 50.8 | 12.7 | 26.71 |
| 32 | 133.3 | 98.4 | 19.0 | 4 | 20.8 | 63.5 | 28.6 | 68.7 | 28.4 | 43.2 | 43.5 | 63.5 | 14.2 | 42.16 |
| 40 | 165.1 | 114.3 | 22.2 | 4 | 22.5 | 69.8 | 31.7 | 69.8 | 31.7 | 49.5 | 50.0 | 73.0 | 15.8 | 48.26 |
| 50 | 165.1 | 127.0 | 19.0 | 8 | 25.4 | 84.1 | 36.5 | 73.0 | 36.5 | 62.0 | 62.4 | 92.1 | 17.4 | 60.31 |
| 65 | 190.5 | 149.2 | 22.2 | 8 | 28.6 | 100.0 | 41.3 | 79.4 | 41.1 | 74.7 | 75.4 | 104.8 | 19.0 | 73.02 |
| 80 | 209.5 | 168.3 | 22.2 | 8 | 31.8 | 117.5 | 46.0 | 82.5 | 45.9 | 90.7 | 91.4 | 127.0 | 20.6 | 88.90 |
| 100 | 273.0 | 215.9 | 25.4 | 8 | 38.1 | 152.4 | 54.0 | 101.6 | 53.8 | 116.1 | 116.8 | 157.2 | – | 114.30 |
| 125 | 330.2 | 266.7 | 28.6 | 8 | 44.4 | 188.9 | 60.3 | 114.3 | 60.4 | 143.8 | 144.5 | 185.7 | – | 141.30 |
| 150 | 355.6 | 279.4 | 28.6 | 12 | 47.6 | 223.2 | 65.7 | 117.5 | 66.6 | 170.1 | 171.4 | 215.9 | – | 168.27 |
| 200 | 419.1 | 349.2 | 31.7 | 12 | 55.6 | 273.0 | 76.2 | 133.3 | 76.2 | 221.5 | 222.2 | 269.9 | – | 219.07 |
| 250 | 508.0 | 431.8 | 34.9 | 16 | 63.5 | 342.9 | 85.7 | 152.4 | 111.2 | 276.3 | 277.4 | 323.8 | – | 273.05 |
| 300 | 558.8 | 489.9 | 34.9 | 20 | 66.9 | 400.0 | 92.1 | 155.6 | 117.5 | 327.1 | 328.2 | 381.0 | – | 323.85 |
| 350 | 603.2 | 527.0 | 34.9 | 20 | 69.9 | 431.8 | 98.4 | 165.1 | 127.0 | 359.1 | 360.2 | 412.7 | – | 355.60 |
| 400 | 685.8 | 603.2 | 41.3 | 20 | 76.2 | 495.3 | 106.4 | 177.8 | 139.7 | 410.5 | 411.2 | 469.9 | – | 406.40 |
| 450 | 742.9 | 654.0 | 38.1 | 20 | 82.6 | 548.1 | 117.5 | 184.1 | 152.4 | 461.8 | 462.2 | 533.4 | – | 457.00 |
| 500 | 813.8 | 723.9 | 44.4 | 24 | 88.9 | 609.6 | 127.0 | 190.5 | 165.1 | 513.1 | 514.3 | 584.2 | – | 508.00 |
| 600 | 939.8 | 838.2 | 50.8 | 24 | 101.6 | 717.5 | 139.7 | 203.2 | 184.1 | 615.9 | 615.9 | 692.1 | – | 609.60 |
Note: Metric values are direct conversion from Inches table of B16.5.
Flanges except Lap Joint will be furnished with (1.6 mm) raised face, Which is included in “Thickness” (C) and Length Through Hub (Y).
DIMENSIONS OF CLASS 900 FLANGES AS PER B 16.5
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| Nominal Pipe Size | Flange Dia O | Dia of Bolt Circle A | Dia of Bolt Holes | No. of Holes | Thk. of Flange tf | Dia of Hub C | Length through Hub | Dia Bore | Dia of R/F F | Depth of Socket F | Pipe Dia X | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/O & SW E | W/N | L/J Y | S/O & SW | L/J B | ||||||||||
| E | Y | Y | B | B | ||||||||||
| 15 | 120.7 | 82.6 | 15.9 | 4 | 22.4 | 38.1 | 28.6 | 57.2 | 28.6 | 22.4 | 22.9 | 34.9 | 9.5 | 21.33 |
| 20 | 130.0 | 88.9 | 15.9 | 4 | 25.4 | 47.8 | 31.8 | 61.9 | 31.8 | 27.7 | 28.2 | 42.9 | 11.1 | 26.67 |
| 25 | 149.4 | 101.6 | 15.9 | 4 | 28.4 | 54.0 | 34.9 | 66.7 | 34.9 | 34.5 | 35.0 | 50.8 | 12.7 | 33.40 |
| 32 | 158.8 | 111.1 | 19.0 | 4 | 30.2 | 63.5 | 38.1 | 69.9 | 38.1 | 43.2 | 43.7 | 63.5 | 14.3 | 42.16 |
| 40 | 177.8 | 123.8 | 19.0 | 4 | 31.8 | 69.9 | 41.3 | 73.0 | 41.3 | 49.5 | 50.0 | 73.0 | 15.9 | 48.26 |
| 50 | 203.2 | 139.7 | 22.2 | 8 | 35.1 | 84.1 | 47.6 | 82.6 | 47.6 | 62.0 | 62.5 | 92.1 | 17.5 | 60.31 |
| 65 | 228.6 | 165.1 | 22.2 | 8 | 38.1 | 100.0 | 53.8 | 88.9 | 53.8 | 74.7 | 75.4 | 104.8 | 19.0 | 73.02 |
| 80 | 254.0 | 184.1 | 22.2 | 8 | 41.1 | 117.5 | 57.2 | 95.2 | 57.2 | 90.7 | 91.4 | 127.0 | 20.6 | 88.90 |
| 100 | 279.4 | 209.6 | 25.4 | 8 | 47.8 | 152.4 | 63.5 | 108.0 | 63.5 | 116.1 | 116.8 | 157.2 | – | 114.30 |
| 125 | 342.9 | 241.3 | 28.6 | 8 | 53.8 | 188.9 | 69.9 | 117.5 | 69.9 | 143.8 | 144.5 | 185.7 | – | 141.30 |
| 150 | 381.0 | 279.4 | 28.6 | 12 | 57.2 | 223.2 | 76.2 | 127.0 | 76.2 | 170.1 | 171.4 | 215.9 | – | 168.27 |
| 200 | 444.5 | 342.9 | 31.8 | 12 | 63.5 | 273.0 | 88.9 | 142.9 | 88.9 | 221.5 | 222.2 | 269.9 | – | 219.07 |
| 250 | 520.7 | 406.4 | 34.9 | 12 | 69.9 | 342.9 | 101.6 | 158.8 | 101.6 | 276.3 | 277.4 | 323.8 | – | 273.05 |
| 300 | 584.2 | 482.6 | 34.9 | 16 | 79.2 | 400.0 | 114.3 | 174.6 | 114.3 | 327.1 | 328.2 | 381.0 | – | 323.85 |
| 350 | 647.7 | 533.4 | 38.1 | 16 | 85.9 | 431.8 | 127.0 | 184.1 | 127.0 | 359.1 | 360.2 | 412.7 | – | 355.60 |
| 400 | 711.2 | 596.9 | 41.3 | 16 | 88.9 | 495.3 | 139.7 | 200.0 | 139.7 | 410.5 | 411.2 | 469.9 | – | 406.40 |
| 450 | 774.7 | 635.0 | 41.3 | 20 | 101.6 | 548.1 | 152.4 | 215.9 | 152.4 | 461.8 | 462.3 | 533.4 | – | 457.00 |
| 500 | 838.2 | 692.2 | 44.5 | 20 | 108.0 | 609.6 | 165.1 | 222.2 | 165.1 | 513.1 | 514.3 | 584.2 | – | 508.00 |
| 600 | 965.2 | 812.8 | 50.8 | 20 | 123.8 | 717.5 | 190.5 | 247.6 | 190.5 | 615.9 | 615.9 | 692.1 | – | 609.60 |
DIMENSIONS OF CLASS 1500 FLANGES AS PER B 16.5
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| Nominal Pipe Size | Flange Dia O | Dia of Bolt Circle A | Dia of Bolt Holes | No. of Holes | Thk. of Flange tf | Dia of Hub C | Length through Hub | Dia Bore | Dia of R/F F | Depth of Socket | Pipe Dia X | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/O & SW E | W/N | L/J Y | S/O & SW | L/J B | ||||||||||
| E | Y | Y | B | B | ||||||||||
| 15 | 120.6 | 82.5 | 22.2 | 4 | 22.2 | 38.1 | 31.7 | 60.3 | 31.7 | 22.3 | 22.8 | 34.9 | 9.5 | 21.33 |
| 20 | 130.2 | 88.9 | 22.2 | 4 | 25.4 | 44.4 | 34.9 | 69.8 | 34.9 | 27.7 | 28.1 | 42.9 | 11.1 | 26.67 |
| 25 | 149.2 | 101.6 | 25.4 | 4 | 28.6 | 52.4 | 41.3 | 73.0 | 41.3 | 34.5 | 35.0 | 50.8 | 12.7 | 33.40 |
| 32 | 158.7 | 111.1 | 25.4 | 4 | 28.6 | 63.5 | 41.3 | 73.0 | 41.3 | 43.2 | 43.6 | 63.5 | 14.2 | 42.16 |
| 40 | 177.8 | 123.8 | 28.6 | 4 | 31.8 | 69.8 | 44.4 | 82.5 | 44.4 | 49.5 | 50.0 | 73.0 | 15.8 | 48.26 |
| 50 | 215.9 | 165.1 | 25.4 | 8 | 38.1 | 104.8 | 57.1 | 101.6 | 57.1 | 62.0 | 62.0 | 92.1 | 17.4 | 60.31 |
| 65 | 244.5 | 190.5 | 28.6 | 8 | 41.3 | 123.8 | 63.5 | 104.8 | 63.5 | 74.7 | 75.4 | 104.8 | 19.0 | 73.02 |
| 80 | 266.7 | 203.2 | 31.7 | 8 | 47.6 | 133.3 | 73.0 | 117.5 | 73.0 | 90.7 | 91.7 | 127.0 | – | 86.90 |
| 100 | 311.1 | 241.3 | 34.9 | 8 | 54.0 | 161.9 | 90.5 | 123.0 | 90.4 | 116.1 | 116.5 | 157.2 | – | 114.30 |
| 125 | 374.6 | 292.1 | 41.3 | 8 | 72.0 | 196.8 | 104.8 | 155.6 | 104.8 | 143.8 | 144.5 | 185.7 | – | 141.30 |
| 150 | 392.7 | 317.5 | 38.1 | 12 | 82.6 | 228.6 | 119.1 | 171.4 | 119.1 | 170.7 | 171.4 | 215.9 | – | 168.27 |
| 200 | 482.6 | 393.7 | 44.4 | 12 | 92.1 | 222.1 | 142.9 | 212.7 | 142.8 | 221.5 | 222.2 | 269.9 | – | 219.07 |
| 250 | 584.2 | 482.6 | 50.8 | 12 | 107.9 | 368.3 | 158.7 | 254.0 | 177.8 | 276.3 | 277.3 | 323.8 | – | 273.05 |
| 300 | 673.1 | 571.5 | 54.0 | 16 | 123.8 | 450.8 | 181.0 | 282.6 | 218.9 | 327.1 | 328.1 | 381.0 | – | 323.85 |
DIMENSIONS OF CLASS 2500 FLANGES AS PER B 16.5
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| Nominal Pipe Size | Flange Dia O | Dia of Bolt Circle A | Dia of Bolt Holes | No. of Holes | Thk. of Flange tf | Dia of Hub C | Length through Hub | Dia Bore | Dia of R/F F | Depth of Socket | Pipe Dia X | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S/O & SW E | W/N | L/J Y | S/O & SW | L/J B | ||||||||||
| E | Y | Y | B | B | ||||||||||
| 15 | 133.3 | 88.9 | 22.2 | 4 | 30.2 | 42.9 | 39.7 | 73.0 | 39.7 | 22.3 | 22.3 | 34.9 | – | 21.33 |
| 20 | 139.7 | 95.2 | 22.2 | 4 | 31.7 | 50.8 | 42.9 | 79.4 | 42.9 | 27.7 | 27.7 | 42.9 | – | 26.67 |
| 25 | 158.7 | 107.9 | 25.4 | 4 | 34.9 | 57.1 | 47.7 | 88.9 | 47.7 | 34.5 | 34.5 | 50.8 | – | 33.40 |
| 32 | 184.1 | 130.2 | 28.6 | 4 | 38.1 | 73.0 | 52.4 | 95.2 | 52.4 | 43.2 | 43.2 | 63.5 | – | 42.16 |
| 40 | 203.2 | 146.0 | 31.7 | 4 | 44.4 | 79.4 | 60.3 | 111.1 | 60.3 | 49.5 | 49.5 | 73.0 | – | 48.26 |
| 50 | 234.9 | 171.4 | 28.6 | 8 | 50.8 | 95.2 | 69.8 | 127.0 | 69.8 | 62.4 | 62.0 | 92.1 | – | 60.31 |
| 65 | 266.7 | 196.8 | 31.7 | 8 | 57.1 | 114.3 | 79.4 | 142.9 | 79.4 | 74.7 | 74.7 | 104.8 | – | 73.02 |
| 80 | 304.8 | 228.6 | 34.9 | 8 | 66.7 | 133.3 | 92.1 | 168.3 | 92.1 | 90.7 | 90.7 | 127.0 | – | 88.90 |
| 100 | 355.6 | 273.0 | 41.3 | 8 | 76.2 | 165.1 | 107.9 | 190.5 | 107.9 | 116.1 | 116.1 | 157.2 | – | 114.30 |
| 125 | 416.1 | 323.8 | 47.6 | 8 | 92.1 | 209.2 | 130.0 | 228.6 | 130.0 | 143.8 | 143.8 | 185.7 | – | 141.30 |
| 150 | 482.6 | 368.3 | 54.0 | 8 | 107.9 | 234.9 | 152.4 | 273.0 | 152.4 | 170.7 | 170.7 | 215.1 | – | 168.27 |
| 200 | 652.4 | 438.1 | 56.0 | 12 | 127.0 | 304.8 | 177.8 | 317.5 | 177.8 | 221.5 | 221.5 | 269.9 | – | 219.07 |
| 250 | 673.1 | 539.7 | 66.7 | 12 | 165.1 | 374.6 | 226.6 | 419.1 | 228.6 | 276.3 | 276.3 | 323.8 | – | 273.05 |
| 300 | 762.0 | 619.1 | 73.0 | 12 | 184.1 | 441.3 | 254.9 | 463.5 | 254.0 | 327.1 | 327.1 | 381.0 | – | 323.85 |
Note: Metric values are direct conversion from Inches table of B16.5.
RF THickness 6.3 mm Extra to be provided (Except Lap Joint Flange & FF Flanges)..
DIMENSIONS OF BS4504 PN10 FLANGES
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| Nom. Size NB | Flange | Raised Face | Boss | Drilling | Bolting | Neck | Bore Diameter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | C | C1 | C2 | D | D1 | G | X | N | No. | I | J | M | F | E | R | T | B | ||
| 10 | 90 | 14 | 14 | 14 | 20 | 35 | 40 | 2 | 30 | 4 | 14 | 60 | M12 | 28 | 17.2 | 6 | 3 | 1.8 | 18.0 |
| 15 | 95 | 14 | 14 | 14 | 20 | 35 | 45 | 2 | 35 | 4 | 14 | 65 | M12 | 32 | 21.3 | 6 | 3 | 2.0 | 22.0 |
| 20 | 105 | 16 | 16 | 16 | 24 | 38 | 58 | 2 | 45 | 4 | 14 | 75 | M12 | 39 | 26.9 | 6 | 4 | 2.3 | 27.5 |
| 25 | 115 | 16 | 16 | 16 | 24 | 38 | 68 | 2 | 52 | 4 | 14 | 85 | M12 | 46 | 33.4 | 6 | 4 | 2.6 | 34.5 |
| 32 | 140 | 16 | 18 | 16 | 26 | 40 | 78 | 2 | 60 | 4 | 18 | 100 | M16 | 56 | 42.2 | 6 | 5 | 2.6 | 43.0 |
| 40 | 150 | 16 | 18 | 16 | 26 | 42 | 88 | 3 | 70 | 4 | 18 | 110 | M16 | 64 | 48.3 | 7 | 5 | 2.6 | 49.5 |
| 50 | 165 | 18 | 20 | 18 | 28 | 45 | 102 | 3 | 84 | 4 | 18 | 125 | M16 | 74 | 60.3 | 8 | 5 | 2.9 | 61.6 |
| 65 | 185 | 18 | 20 | 18 | 32 | 45 | 122 | 3 | 104 | 4/8 | 18 | 145 | M16 | 92 | 73.0 | 10 | 6 | 2.9 | 74.0 |
| 80 | 200 | 20 | 20 | 20 | 34 | 50 | 138 | 3 | 118 | 8 | 18 | 160 | M16 | 110 | 88.9 | 10 | 6 | 3.2 | 90.5 |
| 100 | 220 | 20 | 22 | 20 | 40 | 52 | 162 | 3 | 140 | 8 | 18 | 180 | M16 | 130 | 114.3 | 12 | 6 | 3.6 | 116.0 |
| 125* | 250 | 22 | 22 | 22 | 44 | 55 | 188 | 3 | 168 | 8 | 18 | 210 | M16 | 158 | 141.3 | 12 | 6 | 4.0 | 142.5 |
| 150 | 285 | 22 | 24 | 22 | 44 | 55 | 212 | 3 | 195 | 8 | 22 | 240 | M20 | 184 | 168.3 | 12 | 8 | 4.5 | 170.5 |
| 200 | 340 | 24 | 24 | 24 | 44 | 62 | 268 | 3 | 246 | 8 | 22 | 295 | M20 | 234 | 219.1 | 16 | 8 | 5.6 | 221.5 |
| 250 | 395 | 26 | 26 | 26 | 46 | 68 | 320 | 3 | 298 | 12 | 22 | 350 | M20 | 288 | 273.0 | 16 | 10 | 6.3 | 276.5 |
| 300 | 445 | 26 | 28 | 26 | 46 | 68 | 370 | 4 | 350 | 12 | 22 | 400 | M20 | 342 | 323.9 | 16 | 10 | 7.1 | 327.6 |
| 350 | 505 | 26 | 28 | 28 | 53 | 68 | 430 | 4 | 400 | 16 | 22 | 460 | M20 | 390 | 355.6 | 16 | 10 | 7.1 | 359.0 |
| 400 | 565 | 26 | 32 | 28 | 57 | 72 | 482 | 4 | 459 | 16 | 26 | 515 | M24 | 440 | 406.4 | 16 | 10 | 7.1 | 411.0 |
| 450 | 615 | 28 | 36 | 28 | 63 | 72 | 532 | 4 | 502 | 20 | 26 | 565 | M24 | 488 | 457.0 | 16 | 12 | 7.1 | 462.0 |
| 500 | 670 | 28 | 38 | 28 | 67 | 75 | 585 | 4 | 559 | 20 | 26 | 620 | M24 | 540 | 508.0 | 16 | 12 | 7.1 | 513.5 |
| 600 | 780 | 28 | 42 | 28 | 75 | 80 | 685 | 5 | 658 | 20 | 30 | 725 | M27 | 640 | 610.0 | 18 | 12 | 7.1 | 616.5 |
| 700 | 895 | 30 | – | 38 | – | 80 | 800 | 5 | – | 24 | 30 | 840 | M27 | 746 | 711.0 | 18 | 12 | 8.0 | – |
| 800 | 1015 | 32 | – | 32 | – | 90 | 905 | 5 | – | 24 | 33 | 950 | M30 | 848 | 813.0 | 18 | 12 | 8.0 | – |
| 900 | 1115 | 34 | – | 34 | – | 95 | 1005 | 5 | – | 28 | 33 | 1050 | M30 | 948 | 914.0 | 20 | 12 | 10.0 | – |
| 1000 | 1230 | 34 | – | 34 | – | 95 | 1110 | 5 | – | 28 | 36 | 1160 | M33 | 1050 | 1016.0 | 20 | 12 | 10.0 | – |
| 1200 | 1455 | 38 | – | 38 | – | 115 | 1330 | 5 | – | 32 | 39 | 1380 | M36 | 1256 | 1220.0 | 25 | 12 | 11.0 | – |
| 1400 | 1675 | 42 | – | – | – | 120 | 1535 | 5 | – | 36 | 42 | 1590 | M39 | 1460 | 1420.0 | 25 | 12 | 12.0 | – |
| 1600 | 1915 | 46 | – | – | – | 130 | 1760 | 5 | – | 40 | 48 | 1820 | M45 | 1666 | 1620.0 | 25 | 12 | 14.0 | – |
| 1800 | 2115 | 50 | – | – | – | 140 | 1960 | 5 | – | 44 | 48 | 2020 | M45 | 1866 | 1820.0 | 30 | 15 | 15.0 | – |
| 2000 | 2325 | 54 | – | – | – | 150 | 2170 | 5 | – | 48 | 48 | 2230 | M45 | 2070 | 2020.0 | 30 | 15 | 16.0 | – |
| 2200 | 2550 | 58 | – | – | – | 160 | 2370 | 6 | – | 52 | 56 | 2440 | M52 | 2275 | 2220.0 | 35 | 15 | – | – |
| 2400 | 2760 | 62 | – | – | – | 170 | 2570 | 6 | – | 56 | 56 | 2650 | M52 | 2478 | 2420.0 | 35 | 15 | – | – |
| 2600 | 2960 | 65 | – | – | – | 180 | 2780 | 6 | – | 60 | 56 | 2850 | M52 | 2680 | 2620.0 | 35 | 18 | – | – |
| 2800 | 3180 | 70 | – | – | – | 190 | 3000 | 6 | – | 64 | 56 | 3070 | M52 | 2882 | 2820.0 | 40 | 18 | – | – |
| 3000 | 3405 | 75 | – | – | – | 200 | 3210 | 6 | – | 68 | 62 | 3290 | M56 | 3085 | 3020.0 | 40 | 18 | – | – |
Note:
* Care should be taken with these sizes as the pipe o.d. does not relate to normal stainless steel dimensions.
1. Weldnecks (Code 111) are bored to suit schedule of pipework used.
2. Code 105 flanges are supplied flat faced unless otherwise requested by the purchaser.
3. For information sizes NB 10 to DN150 use PN16 dimensions.
DIMENSIONS OF BS4504 PN16 FLANGES
▼Click to expand table
| Nom. Size NB | Flange | Raised Face | Boss | Drilling | Bolting | Neck | Bore Diameter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | C | C1 | C2 | D | D1 | G | X | N | No. | I | J | M | F | E | R | T | B | ||
| 10 | 90 | 14 | 14 | 14 | 20 | 35 | 40 | 2 | 30 | 4 | 14 | 60 | M12 | 28 | 17.2 | 6 | 3 | 1.8 | 18.0 |
| 15 | 95 | 14 | 14 | 14 | 20 | 35 | 45 | 2 | 35 | 4 | 14 | 65 | M12 | 32 | 21.3 | 6 | 3 | 2.0 | 22.0 |
| 20 | 105 | 16 | 16 | 16 | 24 | 38 | 58 | 2 | 45 | 4 | 14 | 75 | M12 | 39 | 26.9 | 6 | 4 | 2.3 | 27.5 |
| 25 | 115 | 16 | 16 | 16 | 24 | 38 | 68 | 2 | 52 | 4 | 14 | 85 | M12 | 46 | 33.4 | 6 | 4 | 2.6 | 34.5 |
| 32 | 140 | 16 | 18 | 16 | 26 | 40 | 78 | 2 | 60 | 4 | 18 | 100 | M16 | 56 | 42.2 | 6 | 5 | 2.6 | 43.0 |
| 40 | 150 | 16 | 18 | 16 | 26 | 42 | 88 | 3 | 70 | 4 | 18 | 110 | M16 | 64 | 48.3 | 7 | 5 | 2.6 | 49.5 |
| 50 | 165 | 18 | 20 | 18 | 28 | 45 | 102 | 3 | 84 | 4 | 18 | 125 | M16 | 74 | 60.3 | 8 | 5 | 2.9 | 61.5 |
| 65 | 185 | 18 | 20 | 18 | 32 | 45 | 122 | 3 | 104 | 4/8 | 18 | 145 | M16 | 92 | 73.0 | 10 | 6 | 2.9 | 74.0 |
| 80 | 200 | 20 | 20 | 20 | 34 | 50 | 138 | 3 | 118 | 8 | 18 | 160 | M16 | 110 | 88.9 | 10 | 6 | 3.2 | 90.5 |
| 100 | 220 | 20 | 22 | 20 | 40 | 52 | 162 | 3 | 140 | 8 | 18 | 180 | M16 | 130 | 114.3 | 12 | 6 | 3.6 | 116.0 |
| 125* | 250 | 22 | 22 | 22 | 44 | 55 | 188 | 3 | 168 | 8 | 18 | 210 | M16 | 158 | 141.3 | 12 | 6 | 4.0 | 142.5 |
| 150 | 285 | 22 | 24 | 22 | 44 | 55 | 212 | 3 | 195 | 8 | 22 | 240 | M20 | 184 | 168.3 | 12 | 8 | 4.5 | 170.5 |
| 200 | 340 | 24 | 26 | 24 | 44 | 62 | 268 | 3 | 246 | 12 | 22 | 295 | M20 | 234 | 219.1 | 16 | 8 | 5.6 | 221.5 |
| 250 | 405 | 26 | 29 | 26 | 46 | 70 | 320 | 3 | 298 | 12 | 26 | 355 | M24 | 288 | 273.0 | 16 | 10 | 6.3 | 276.5 |
| 300 | 460 | 28 | 32 | 28 | 46 | 78 | 378 | 4 | 350 | 12 | 26 | 410 | M24 | 342 | 323.9 | 16 | 10 | 7.1 | 327.6 |
| 350 | 520 | 30 | 35 | 30 | 57 | 82 | 438 | 4 | 400 | 16 | 26 | 470 | M24 | 390 | 355.6 | 16 | 10 | 8.0 | 359.0 |
| 400 | 580 | 32 | 38 | 32 | 63 | 85 | 490 | 4 | 456 | 16 | 30 | 525 | M27 | 444 | 406.4 | 16 | 10 | 8.0 | 411.0 |
| 450 | 640 | 34 | 42 | 36 | 63 | 87 | 550 | 4 | 502 | 20 | 30 | 585 | M27 | 490 | 457.0 | 16 | 12 | 8.0 | 462.0 |
| 500 | 715 | 34 | 46 | 36 | 73 | 90 | 610 | 4 | 559 | 20 | 33 | 650 | M30 | 546 | 508.0 | 16 | 12 | 8.0 | 513.5 |
| 600 | 840 | 36 | 52 | 44 | 83 | 95 | 725 | 5 | 658 | 20 | 36 | 770 | M33 | 650 | 610.0 | 18 | 12 | 8.8 | 616.5 |
| 700 | 910 | 36 | 60 | 48 | 83 | 100 | 795 | 5 | 760 | 24 | 36 | 840 | M33 | 750 | 711.0 | 18 | 12 | 8.6 | – |
| 800 | 1025 | 38 | 68 | 52 | 90 | 105 | 900 | 5 | 864 | 24 | 39 | 950 | M36 | 848 | 813.0 | 20 | 12 | 10.0 | – |
| 900 | 1125 | 40 | 76 | 58 | 94 | 110 | 1000 | 5 | 968 | 28 | 39 | 1050 | M39 | 948 | 914.0 | 20 | 12 | 10.0 | – |
| 1000 | 1255 | 42 | 84 | 64 | 100 | 120 | 1115 | 5 | 1072 | 28 | 42 | 1170 | M39 | 1056 | 1016.0 | 22 | 12 | 10.0 | – |
| 1200 | 1485 | 48 | 98 | 76 | – | 130 | 1330 | 5 | – | 32 | 48 | 1390 | M45 | 1260 | 1220.0 | 30 | 12 | 12.5 | – |
| 1400 | 1685 | 52 | – | – | – | 145 | 1530 | 5 | – | 36 | 48 | 1590 | M45 | 1465 | 1420.0 | 30 | 12 | 14.2 | – |
| 1600 | 1930 | 58 | – | – | – | 160 | 1750 | 5 | – | 40 | 56 | 1820 | M52 | 1668 | 1620.0 | 35 | 12 | 16.0 | – |
| 1800 | 2130 | 62 | – | – | – | 170 | 1950 | 5 | – | 44 | 56 | 2020 | M52 | 1870 | 1820.0 | 35 | 15 | 17.5 | – |
| 2000 | 2435 | 66 | – | – | – | 190 | 2150 | 5 | – | 48 | 62 | 2230 | M56 | 2072 | 2020.0 | 40 | 15 | 20.0 | – |
Note: * Care should be taken with these sizes as the pipe o.d. does not relate to normal stainless steel dimensions.
1. Weldnecks (Code 111) are bored to suit schedule of pipework used.
2. Code 105 flanges are supplied flat faced unless otherwise requested by the purchaser.
DIMENSIONS OF BS4504 PN25 FLANGES
▼Click to expand table
| Nom. Size NB | Flange | Raised Face | Boss | Drilling | Bolting | Neck | Bore Diameter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | C | C1 | C2 | D | D1 | G | X | N | No. | I | J | M | F | E | R | T | B | ||
| 10 | 90 | 16 | 14 | 16 | 22 | 35 | 40 | 2 | 30 | 4 | 14 | 60 | M12 | 28 | 17.2 | 6 | 3 | 1.8 | 18.0 |
| 15 | 95 | 16 | 14 | 16 | 22 | 38 | 45 | 2 | 35 | 4 | 14 | 65 | M12 | 32 | 21.3 | 6 | 3 | 2.0 | 22.0 |
| 20 | 105 | 18 | 16 | 18 | 26 | 40 | 58 | 2 | 45 | 4 | 14 | 75 | M12 | 40 | 26.9 | 6 | 4 | 2.3 | 27.5 |
| 25 | 115 | 18 | 16 | 18 | 28 | 40 | 68 | 2 | 52 | 4 | 14 | 85 | M12 | 46 | 33.4 | 6 | 4 | 2.6 | 34.5 |
| 32 | 140 | 18 | 18 | 18 | 30 | 42 | 78 | 2 | 60 | 4 | 18 | 100 | M16 | 56 | 42.2 | 7 | 5 | 2.6 | 43.0 |
| 40 | 150 | 18 | 18 | 18 | 32 | 45 | 88 | 3 | 70 | 4 | 18 | 110 | M16 | 64 | 48.3 | 7 | 5 | 2.9 | 49.5 |
| 50 | 165 | 20 | 20 | 20 | 34 | 48 | 102 | 3 | 84 | 4 | 18 | 125 | M16 | 74 | 60.3 | 8 | 5 | 2.9 | 61.5 |
| 65 | 185 | 22 | 22 | 22 | 38 | 52 | 122 | 3 | 104 | 8 | 18 | 145 | M16 | 92 | 73.0 | 10 | 6 | 2.9 | 74.0 |
| 80 | 200 | 24 | 24 | 24 | 40 | 58 | 138 | 3 | 118 | 8 | 18 | 160 | M16 | 110 | 88.9 | 12 | 6 | 3.2 | 90.5 |
| 100 | 235 | 24 | 26 | 24 | 44 | 65 | 162 | 3 | 145 | 8 | 22 | 190 | M20 | 134 | 114.3 | 12 | 6 | 3.6 | 116.0 |
| 125* | 270 | 26 | 28 | 26 | 48 | 68 | 188 | 3 | 170 | 8 | 26 | 220 | M24 | 162 | 141.3 | 12 | 6 | 4.0 | 142.5 |
| 150 | 300 | 28 | 30 | 28 | 52 | 75 | 218 | 3 | 200 | 8 | 26 | 250 | M24 | 190 | 168.3 | 12 | 8 | 4.5 | 170.5 |
| 200 | 360 | 30 | 32 | 30 | 52 | 80 | 278 | 3 | 256 | 12 | 26 | 310 | M24 | 244 | 219.1 | 16 | 8 | 6.3 | 221.5 |
| 250 | 425 | 32 | 35 | 32 | 60 | 88 | 335 | 3 | 310 | 12 | 30 | 370 | M27 | 296 | 273.0 | 18 | 10 | 7.1 | 276.5 |
| 300 | 485 | 34 | 38 | 34 | 67 | 92 | 395 | 4 | 364 | 16 | 30 | 430 | M27 | 350 | 323.9 | 18 | 10 | 8.0 | 327.5 |
| 350 | 555 | 38 | 42 | 38 | 72 | 100 | 450 | 4 | 418 | 16 | 33 | 490 | M30 | 398 | 355.6 | 20 | 10 | 8.0 | 359.5 |
| 400 | 620 | 40 | 46 | 40 | 78 | 110 | 505 | 4 | 472 | 16 | 36 | 550 | M33 | 452 | 406.4 | 20 | 10 | 8.8 | 411.0 |
| 450 | 670 | 42 | 50 | 44 | 84 | 110 | 555 | 4 | 520 | 20 | 36 | 600 | M33 | 500 | 457.0 | 20 | 12 | 8.8 | 462.0 |
| 500 | 730 | 44 | 56 | 45 | 90 | 125 | 615 | 4 | 580 | 20 | 36 | 660 | M33 | 558 | 508.0 | 20 | 12 | 10.0 | 513.5 |
| 600 | 845 | 46 | 68 | 54 | 100 | 125 | 720 | 5 | 684 | 20 | 39 | 770 | M36 | 660 | 610.0 | 20 | 12 | 11.0 | 616.5 |
| 700 | 960 | 46 | – | – | – | 125 | 820 | 5 | – | 24 | 42 | 875 | M39 | 760 | 711.0 | 20 | 12 | 12.5 | – |
| 800 | 1085 | 50 | – | – | – | 135 | 930 | 5 | – | 24 | 48 | 990 | M45 | 864 | 813.0 | 22 | 12 | 14.2 | – |
| 900 | 1185 | 54 | – | – | – | 145 | 1030 | 5 | – | 28 | 48 | 1090 | M45 | 968 | 914.0 | 24 | 12 | 16.0 | – |
| 1000 | 1320 | 58 | – | – | – | 155 | 1140 | 5 | – | 28 | 56 | 1210 | M52 | 1070 | 1016.0 | 24 | 12 | 17.5 | – |
| 1200 | 1530 | – | – | – | – | – | 1350 | 5 | – | 32 | 56 | 1420 | M52 | – | 1220.0 | – | 12 | 12.5 | – |
| 1400 | 1755 | – | – | – | – | – | 1560 | 5 | – | 36 | 62 | 1640 | M56 | – | 1420.0 | – | 12 | 14.2 | – |
| 1600 | 1975 | – | – | – | – | – | 1780 | 5 | – | 40 | 62 | 1860 | M56 | – | 1620.0 | – | 15 | 16.0 | – |
| 1800 | 2185 | – | – | – | – | – | 1985 | 5 | – | 44 | 70 | 2070 | M64 | – | 1820.0 | – | 15 | 17.5 | – |
| 2000 | 2425 | – | – | – | – | – | 2210 | 5 | – | 48 | 70 | 2300 | M64 | – | 2020.0 | – | 15 | 20.0 | – |
Note:
* Care should be taken with these sizes as the pipe o.d. does not relate to normal stainless steel dimensions.
1. Weldnecks (Code 111) are bored to suit schedule of pipework used.
2. Code 105 flanges are supplied flat faced unless otherwise requested by the purchaser.
3. For information sizes NB 10 to NB 150 use PN40 dimensions.
DIMENSIONS OF BS4504 PN40 FLANGES
▼Click to expand table
| Nom. Size NB | Flange | Raised Face | Boss | Drilling | Bolting | Neck | Bore Diameter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | C | C1 | C2 | D | D1 | G | X | N | No. | I | J | M | F | E | R | T | B | ||
| 10 | 90 | 16 | 14 | 16 | 22 | 35 | 40 | 2 | 30 | 4 | 14 | 60 | M12 | 28 | 17.2 | 6 | 3 | 1.8 | 18.0 |
| 15 | 95 | 16 | 14 | 16 | 22 | 38 | 45 | 2 | 35 | 4 | 14 | 65 | M12 | 32 | 21.3 | 6 | 3 | 2.0 | 22.0 |
| 20 | 105 | 18 | 16 | 18 | 26 | 40 | 58 | 2 | 45 | 4 | 14 | 75 | M12 | 40 | 26.9 | 6 | 4 | 2.3 | 27.5 |
| 25 | 115 | 18 | 16 | 18 | 28 | 40 | 68 | 2 | 52 | 4 | 14 | 85 | M12 | 46 | 33.4 | 6 | 4 | 2.6 | 34.5 |
| 32 | 140 | 18 | 18 | 18 | 30 | 42 | 78 | 2 | 60 | 4 | 18 | 100 | M16 | 56 | 42.2 | 6 | 5 | 2.6 | 43.5 |
| 40 | 150 | 18 | 18 | 18 | 32 | 45 | 88 | 3 | 70 | 4 | 18 | 110 | M16 | 64 | 48.3 | 7 | 5 | 2.6 | 49.5 |
| 50 | 165 | 20 | 20 | 20 | 34 | 48 | 102 | 3 | 84 | 4 | 18 | 125 | M16 | 74 | 60.3 | 8 | 5 | 2.9 | 61.5 |
| 65 | 185 | 22 | 22 | 22 | 38 | 52 | 122 | 3 | 104 | 8 | 18 | 145 | M16 | 92 | 76.1 | 10 | 6 | 2.9 | 77.5 |
| 80 | 200 | 24 | 24 | 24 | 40 | 58 | 138 | 3 | 118 | 8 | 18 | 160 | M16 | 110 | 88.9 | 12 | 6 | 3.2 | 90.5 |
| 100 | 235 | 24 | 26 | 24 | 44 | 65 | 162 | 3 | 145 | 8 | 22 | 190 | M20 | 134 | 114.3 | 12 | 6 | 3.6 | 116.0 |
| 125* | 270 | 26 | 28 | 26 | 48 | 68 | 188 | 3 | 170 | 8 | 26 | 220 | M24 | 162 | 141.3 | 12 | 6 | 4.0 | 142.5 |
| 150 | 300 | 28 | 30 | 28 | 52 | 75 | 218 | 3 | 200 | 8 | 26 | 250 | M24 | 190 | 168.3 | 12 | 8 | 4.5 | 170.5 |
| 200 | 375 | 34 | 36 | 36 | 52 | 88 | 285 | 3 | 260 | 12 | 30 | 320 | M27 | 244 | 219.1 | 16 | 8 | 6.3 | 221.5 |
| 250 | 450 | 38 | 42 | 38 | 60 | 105 | 345 | 3 | 312 | 12 | 33 | 385 | M30 | 306 | 273.0 | 18 | 10 | 7.1 | 276.5 |
| 300 | 515 | 42 | 48 | 42 | 67 | 115 | 410 | 4 | 380 | 16 | 33 | 450 | M30 | 362 | 323.9 | 18 | 10 | 8.0 | 327.5 |
| 350 | 580 | 46 | 54 | 46 | 72 | 125 | 465 | 4 | 424 | 16 | 36 | 510 | M33 | 408 | 355.6 | 20 | 10 | 8.8 | 359.5 |
| 400 | 660 | 50 | 60 | 50 | 78 | 135 | 535 | 4 | 478 | 16 | 33 | 585 | M36 | 462 | 406.4 | 20 | 10 | 11.0 | 411.0 |
| 450 | 685 | 50 | 66 | 54 | 84 | 135 | 560 | 4 | 522 | 20 | 39 | 610 | M36 | 500 | 457.0 | 20 | 12 | 12.5 | 462.0 |
| 500 | 755 | 52 | 72 | 56 | 90 | 140 | 615 | 4 | 576 | 20 | 42 | 670 | M39 | 562 | 508.0 | 20 | 12 | 14.2 | 513.5 |
| 600 | 890 | 60 | 84 | 70 | 100 | 150 | 735 | 5 | 686 | 20 | 48 | 795 | M45 | 666 | 610.0 | 20 | 12 | 16.0 | 616.5 |
Note:
* Care should be taken with these sizes as the pipe o.d. does not relate to normal stainless steel dimensions.
1. Weldnecks (Code 111) are bored to suit schedule of pipework used.
2. Code 105 flanges are supplied flat faced unless otherwise requested by the purchaser.
Table D : For working steam pressure upto 50 lbs per sq. inch.
▼Click to expand table
| Nominal pipe size | O.D. of Pipe | Dia. of Flange | Dia. Of Bolt Circle | No. of Bolt | Dia. of Bolt | Thickness |
|---|---|---|---|---|---|---|
| 1/2″ | 27/32″ | 3.34″ | 2.5/8″ | 4 | 1/2″ | 3/16″ |
| 3/4″ | 1.1/16″ | 4″ | 2.7/8″ | 4 | 1/2″ | 3/16″ |
| 1″ | 1.11/32″ | 4.1/2″ | 3.1/4″ | 4 | 1/2″ | 3/16″ |
| 1.1/4″ | 1.11/16″ | 4.3/4″ | 3.7/16″ | 4 | 1/2″ | 1/4″ |
| 1.1/2″ | 1.28/32″ | 5.1/4″ | 3.7/8″ | 4 | 1/2″ | 1/4″ |
| 2″ | 2.3/8″ | 6″ | 4.1/2″ | 4 | 5/8″ | 5/16″ |
| 2.1/2″ | 3″ | 6.1/2″ | 5″ | 4 | 5/8″ | 5/16″ |
| 3″ | 3.1/2″ | 7.1/4″ | 5.3/4″ | 4 | 5/8″ | 3/8″ |
| 3.1/2″ | 4″ | 8″ | 6.1/2″ | 4 | 5/8″ | 3/8″ |
| 4″ | 4.1/2″ | 8.1/2″ | 7″ | 4 | 5/8″ | 3/8″ |
| 5″ | 5.1/2″ | 10″ | 8.1/4″ | 8 | 5/8″ | 1/2″ |
| 6″ | 6.12″ | 11″ | 9.1/4″ | 8 | 5/8″ | 1/2″ |
| 7″ | 7.1/2″ | 12″ | 10.1/4″ | 8 | 5/8″ | 1/2″ |
| 8″ | 8.5/8″ | 13.1/4″ | 11.1/2″ | 8 | 5/8″ | 1.1/2″ |
| 9″ | 9.5/8″ | 14.1/2″ | 12.3/4″ | 8 | 5/8″ | 5/8″ |
| 10″ | 10.3/4″ | 16″ | 14″ | 8 | 3/4″ | 5/8″ |
| 12″ | 12.3/4″ | 18″ | 16″ | 8 | 3/4″ | 5/8″ |
| 14″ | 14″ | 20.3/4″ | 18.1/2″ | 12 | 7/8″ | 3/4″ |
| 16″ | 16″ | 22.3/4″ | 20.1/2″ | 12 | 7/8″ | 3/4″ |
| 18″ | 18″ | 25.1/4″ | 23″ | 12 | 7/8″ | 7/8″ |
| 20″ | 20″ | 27.3/4″ | 25.1/4″ | 16 | 7/8″ | 1″ |
| 24″ | 24″ | 32.1/2″ | 29.3/4″ | 16 | 1″ | 1.1/8″ |
Table E : For working steam pressure upto 50 lbs and upto 100 per sq. inch.
▼Click to expand table
| Nominal pipe size | Dia. of Flange | Dia. Of Bolt Circle | No. of Bolt | Dia. of Bolt | Thickness |
|---|---|---|---|---|---|
| 1/2″ | 3.34″ | 2.5/8″ | 4 | 1/2″ | 1/4″ |
| 3/4″ | 4″ | 2.7/8″ | 4 | 1/2″ | 1/4″ |
| 1″ | 4.1/2″ | 3.1/4″ | 4 | 1/2″ | 9/32″ |
| 1.1/4″ | 4.3/4″ | 3.7/16″ | 4 | 1/2″ | 5/16″ |
| 1.1/2″ | 5.1/4″ | 3.7/8″ | 4 | 1/2″ | 11/32″ |
| 2″ | 6″ | 4.1/2″ | 4 | 5/8″ | 3/8″ |
| 2.1/2″ | 6.1/2″ | 5″ | 4 | 5/8″ | 13/32″ |
| 3″ | 7.1/4″ | 5.3/4″ | 4 | 5/8″ | 7/16″ |
| 3.1/2″ | 8″ | 6.1/2″ | 8 | 5/8″ | 15/32″ |
| 4″ | 8.1/2″ | 7″ | 8 | 5/8″ | 1/2″ |
| 5″ | 10″ | 8.1/4″ | 8 | 5/8″ | 9/16″ |
| 6″ | 11″ | 9.1/4″ | 8 | 3/4″ | 11/16″ |
| 7″ | 12″ | 10.1/4″ | 8 | 3/4″ | 3/4″ |
| 8″ | 13.1/4″ | 11.1/2″ | 8 | 3/4″ | 3/4″ |
| 9″ | 14.1/2″ | 12.3/4″ | 12 | 3/4″ | 13/16″ |
| 10″ | 16″ | 14″ | 12 | 3/4″ | 7/8″ |
| 12″ | 18″ | 16″ | 12 | 7/8″ | 1″ |
| 14″ | 20.3/4″ | 18.1/2″ | 12 | 7/8″ | 1″ |
| 16″ | 22.3/4″ | 20.1/2″ | 12 | 7/8″ | 1″ |
| 18″ | 25.1/4″ | 23″ | 16 | 7/8″ | 1.1/8″ |
| 20″ | 27.3/4″ | 25.1/4″ | 16 | 7/8″ | 1.1/4″ |
| 24″ | 32.1/2″ | 29.3/4″ | 16 | 1.1/8″ | 1.1/2″ |
Table F : For working steam pressure upto 100 lbs and upto 150 per sq. inch.
▼Click to expand table
| Nominal pipe size | Dia. of Flange | Dia. Of Bolt Circle | No. of Bolt | Dia. of Bolt | Thickness |
|---|---|---|---|---|---|
| 1/2″ | 3.34″ | 2.5/8″ | 4 | 1/2″ | 3/8″ |
| 3/4″ | 4″ | 2.7/8″ | 4 | 1/2″ | 3/8″ |
| 1″ | 4.3/4″ | 3.7/16″ | 4 | 5/8″ | 3/8″ |
| 1.1/4″ | 5.1/4″ | 3.7/8″ | 4 | 5/8″ | 1/2″ |
| 1.1/2″ | 5.1/2″ | 4.1/8″ | 4 | 5/8″ | 1/2″ |
| 2″ | 6.1/2″ | 5″ | 4 | 5/8″ | 5/8″ |
| 2.1/2″ | 7.1/4″ | 5.3/4″ | 8 | 5/8″ | 5/8″ |
| 3″ | 8″ | 6.1/2″ | 8 | 5/8″ | 5/8″ |
| 3.1/2″ | 8.1/2″ | 7″ | 8 | 5/8″ | 3/4″ |
| 4″ | 9″ | 7.1/2″ | 8 | 5/8″ | 3/4″ |
| 5″ | 11″ | 9.1/4″ | 8 | 3/4″ | 7/8″ |
| 6″ | 12″ | 10.1/4″ | 12 | 3/4″ | 7/8″ |
| 7″ | 13.1/4″ | 11.1/2″ | 12 | 3/4″ | 7/8″ |
| 8″ | 14.1/2″ | 12.3/4″ | 12 | 3/4″ | 1″ |
| 9″ | 16″ | 14″ | 12 | 7/8″ | 1″ |
| 10″ | 17″ | 15″ | 12 | 7/8″ | 1″ |
| 12″ | 19.1/4″ | 17.1/4″ | 16 | 7/8″ | 1.1/8″ |
| 14″ | 21.3/4″ | 19.1/2″ | 16 | 1″ | 1.1/4″ |
| 16″ | 24″ | 21.3/4″ | 20 | 1″ | 1.1/4″ |
| 18″ | 26.1/2″ | 24″ | 20 | 1.1/8″ | 1.3/8″ |
| 20″ | 29″ | 26.1/2″ | 24 | 1.1/8″ | 1.1/2″ |
| 24″ | 33.1/2″ | 30.3/4″ | 24 | 1.1/8″ | 1.5/8″ |
Table H : For working steam pressure upto 150 lbs and upto 250 per sq. inch.
▼Click to expand table
| Nominal pipe size | Dia. of Flange | Dia. Of Bolt Circle | No. of Bolt | Dia. of Bolt | Thickness |
|---|---|---|---|---|---|
| 1/2″ | 4.1/2″ | 3.1/4″ | 4 | 5/8″ | 1/2″ |
| 3/4″ | 4.1/2″ | 3.1/4″ | 4 | 5/8″ | 1/2″ |
| 1″ | 4.3/4″ | 3.7/16″ | 4 | 5/8″ | 9/16″ |
| 1.1/4″ | 5.1/4″ | 3.7/8″ | 4 | 5/8″ | 11/16″ |
| 1.1/2″ | 5.1/2″ | 4.1/8″ | 4 | 5/8″ | 11/16″ |
| 2″ | 6.1/2″ | 5″ | 4 | 5/8″ | 3/4″ |
| 2.1/2″ | 7.1/4″ | 5.3/4″ | 8 | 5/8″ | 3/4″ |
| 3″ | 8″ | 6.1/2″ | 8 | 5/8″ | 7/8″ |
| 3.1/2″ | 8.1/2″ | 7″ | 8 | 5/8″ | 7/8″ |
| 4″ | 9″ | 7.1/2″ | 8 | 5/8″ | 1″ |
| 5″ | 11″ | 9.1/4″ | 8 | 3/4″ | 1.1/8″ |
| 6″ | 12″ | 10.1/4″ | 12 | 3/4″ | 1.1/8″ |
| 7″ | 13.1/4″ | 11.1/2″ | 12 | 3/4″ | 1.1/4″ |
| 8″ | 14.1/2″ | 12.3/4″ | 12 | 3/4″ | 1.1/4″ |
| 9″ | 16″ | 14″ | 12 | 7/8″ | 1.3/8″ |
| 10″ | 17″ | 15″ | 12 | 7/8″ | 1.3/8″ |
| 12″ | 19.1/4″ | 17.1/4″ | 16 | 7/8″ | 1.1/2″ |
| 14″ | 21.3/4″ | 19.1/2″ | 16 | 1″ | 1.5/8″ |
| 16″ | 24″ | 21.3/4″ | 20 | 1″ | 1.3/4″ |
| 18″ | 26.1/2″ | 24″ | 20 | 1.1/8″ | 1.7/8″ |
| 20″ | 29″ | 26.1/2″ | 24 | 1.1/8″ | 2″ |
| 24″ | 33.1/2″ | 30.3/4″ | 24 | 1.1/4″ | 2.1/4″ |