Dimensions Weld Neck Flanges Type 11 PN16 DIN EN 1092/1

Vorschweiss-Flansche Type 11 DIN EN 1092-1

OTHER PRESSURE CLASSES

PN16
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 6.3 219.1 235
250 405 355 320 6.3 273 292
300 460 410 378 7.1 323.9 344
350 520 470 438 8 355.6 390
400 580 525 490 8 406.4 445
450 640 585 550 8 457 490
500 715 650 610 8 508 548
600 840 770 725 10 610 670
700 910 840 795 10 711 755
800 1025 950 900 12.5 813 855
900 1125 1050 1000 12.5 914 955
1000 1255 1170 1115 12.5 1016 1058
1200 1485 1390 1330 14.2 1219 1262
1400 1685 1590 1530 16 1422 1465
1600 1930 1820 1750 17.5 1626 1668
1800 2130 2020 1950 20 1829 1870
2000 2345 2230 2150 22 2032 2072

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 26 3 26 70 16 12
300 26 4 28 78 16 12
350 26 4 30 82 16 12
400 30 4 32 85 16 12
450 30 4 34 83 16 12
500 33 4 36 84 16 12
600 36 5 40 88 18 12
700 36 5 40 104 18 12
800 39 5 62 108 20 12
900 39 5 64 118 20 12
1000 42 5 68 137 22 16
1200 48 5 78 160 30 16
1400 48 5 84 177 30 16
1600 56 5 102 204 35 16
1800 56 5 110 218 35 16
2000 62 5 124 238 40 16

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 12 M20 75 3/4" 95
250 12 M24 85 7/8" 110
300 12 M24 90 7/8" 110
350 16 M24 90 7/8" 115
400 16 M27 100 1" 130
450 20 M27 105 1" 130
500 20 M30 110 1.1/8" 145
600 20 M33 120 1.1/4" 160
700 24 M33 120 1.1/4" 160
800 24 M36 170 1.3/8" 210
900 28 M36 175 1.3/8" 215
1000 28 M39 185 1.1/2" 230
1200 32 M45 210 1.3/4" 265
1400 36 M45 225 1.3/4" 275
1600 40 M52 270 2" 325
1800 44 M52 285 2" 345
2000 48 M56 315 2.1/4" 385

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..

  • Dimensions are in millimeters unless otherwise indicated.
  • Butt-weld ends (must be specified when ordering) DIN 3239-1-R6 edge form 22 to DIN 2559 (DIN EN ISO 9692)

Special notes..

  • Hex bolt lengths and diameters and lengths of Stud Bolts are calculated by the author of this website.
  • All lengths are calculated without washers, spring washers etc. and free threads (equals 1/3 time bolt diameter)
  • All lengths are calculated with a gasket thickness of 3 mm.
  • The dimensions of the bolts are calculated for the type 11 weld neck flange. Other types of flanges can be have different bolt hole diameters and thicknesses, so that the bolts even can have different dimensions.

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.



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