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DIN ISO EN

Dimensions Weld Neck Flanges Type 11 PN10 DIN EN 1092/1

Vorschweiss-Flansche Type 11 DIN EN 1092-1

Other Pressure Nominal

DN A B C D E F
10 90 60 40 2 17.2 28
15 95 65 45 2 21.3 32
20 105 75 58 2.3 26.9 40
25 115 85 68 2.6 33.7 46
32 140 100 78 2.6 42.4 56
40 150 110 88 2.6 48.3 64
50 165 125 102 2.9 60.3 74
65 185 145 122 2.9 76.1 92
80 200 160 138 3.2 88.9 105
100 220 180 158 3.6 114.3 131
125 250 210 188 4 139.7 156
150 285 240 212 4.5 168.3 184
200 340 295 268 6.3 219.1 234
250 395 350 320 6.3 273 292
300 445 400 370 7.1 323.9 342
350 505 460 430 7.1 355.6 385
400 565 515 482 7.1 406.4 440
450 615 565 532 7.1 457 488
500 670 620 585 7.1 508 542
600 780 725 685 8 610 642
700 895 840 800 8.8 711 746
800 1015 950 905 8.8 813 850
900 1115 1050 1005 12.5 914 950
1000 1230 1160 1110 12.5 1016 1052
1200 1455 1380 1330 12.5 1219 1256
1400 1675 1590 1535 14.2 1422 1460
1600 1915 1820 1760 16 1626 1666
1800 2115 2020 1960 17.5 1829 1868
2000 2325 2230 2170 17.5 2032 2072
2200 2550 2440 2370 20 2235 2275
2400 2760 2650 2570 22.2 2438 2478
2600 2960 2850 2780 25 2620 2680
2800 3180 3070 3000 25 2820 2882
3000 3405 3290 3210 32 3020 3085
DN A B C D E F
Vorschweiss-Flansche Type 11 DIN EN 1092-1
DN G H K M N R
10 14 2 16 35 6 4
15 14 2 16 38 6 4
20 14 2 18 40 6 4
25 14 2 18 40 6 4
32 18 2 18 42 6 6
40 18 3 18 45 7 6
50 18 3 18 45 8 6
65 18 3 18 45 10 6
80 18 3 20 50 10 6
100 18 3 20 52 12 8
125 18 3 22 55 12 8
150 22 3 22 55 12 10
200 22 3 24 62 16 10
250 22 3 26 68 16 12
300 22 4 26 68 16 12
350 22 4 26 68 16 12
400 26 4 26 72 16 12
450 26 4 28 72 16 12
500 26 4 28 75 16 12
600 30 5 30 82 18 12
700 30 5 35 85 18 12
800 33 5 38 96 18 12
900 33 5 38 99 20 12
1000 36 5 44 105 20 16
1200 39 5 55 132 25 16
1400 42 5 65 143 25 16
1600 48 5 75 159 25 16
1800 48 5 85 175 30 16
2000 48 5 90 186 30 16
2200 56 5 100 202 35 18
2400 56 5 110 218 35 18
2600 56 5 110 224 40 18
2800 56 5 124 244 40 18
3000 62 5 132 257 45 18
DN G H K M N R
Vorschweiss-Flansche Type 11 DIN EN 1092-1
DN No of
bolts
Dia of
Hex Bolts
Length of
Hex Bolts
Dia of
Stud Bolts
Length of
Stud Bolts
10 4 M12 50 1/2" 65
15 4 M12 50 1/2" 65
20 4 M12 55 1/2" 70
25 4 M12 55 1/2" 70
32 4 M16 60 5/8" 80
40 4 M16 60 5/8" 80
50 4 M16 60 5/8" 80
65 8 M16 60 5/8" 80
80 8 M16 65 5/8" 80
100 8 M16 65 5/8" 80
125 8 M16 65 5/8" 85
150 8 M20 70 3/4" 95
200 8 M20 75 3/4" 95
250 12 M20 80 3/4" 100
300 12 M20 80 3/4" 100
350 16 M20 80 3/4" 100
400 16 M24 85 7/8" 110
450 20 M24 90 7/8" 110
500 20 M24 90 7/8" 110
600 20 M27 95 1" 125
700 24 M27 105 1" 135
800 24 M30 115 1.1/8" 145
900 28 M30 115 1.1/8" 145
1000 28 M33 130 1¼" 165
1200 32 M36 155 1.3/8" 195
1400 36 M39 180 1½" 225
1600 40 M45 205 1¾" 260
1800 44 M45 225 1¾" 280
2000 48 M45 235 1¾" 290
2200 52 M52 265 2" 325
2400 56 M52 285 2" 345
2600 60 M52 285 2" 345
2800 64 M52 310 2" 370
3000 68 M56 330 2¼" 400
DN No of
bolts
Dia of
Hex Bolts
Length of
Hex Bolts
Dia of
Stud Bolts
Length of
Stud Bolts

Indications:

  • A = Outside Diameter
  • B = Diameter of Bolt Circle
  • G = Diameter of Bolt Holes
  • C = Diameter of Raised Face
  • H = Height of Raised Face
  • E = Outside Diameter of Neck
  • K = Flange thickness
  • M = Length of Flange
  • N = Length of right end
  • F = Neck Diameter
  • R = Radius of Corners
  • D = Wall thickness
Vorschweiss Flansch

General notes:

Special notes:

Note 1: ISO 7005-1 (steel flanges) PN 20, 50, 110, 150, 260, 420 are designed to be interchangeable with ASME B16.5 and MSS SP-44 flanges - ISO 7005-1 flanges are not identical to ASME B 16.5 and MSS SP 44 flanges but are deemed to comply with the dimensions specified in the ASME B 16.5 and MSS SP 44.

ISO 7005-2 (cast iron) flanges PN 20, 50 are designed to be interchangeable with ANSI/ASME B16.1 (gray cast iron) and B 16.42 (ductile cast iron) but they are not identical. They are deemed to comply with dimensions specified in ASME B16.1 (grey cast iron) and B 16.42 (ductile cast iron).

Note 2: ISO PN 2.5, 6 do not have a corresponding ASME class and ASME Class 75, 400 and 800 do not have corresponding ISO PN designation. The use of these PN and Class flange ratings are therefore not recommended.

Measuring lengths of Stud Bolts and Hex bolts
PP

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