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DIN ISO EN

Dimensions Weld Neck Flanges Type 11 PN63 DIN EN 1092/1

Vorschweiss-Flansche Type 11 DIN EN 1092-1

Other Pressure Nominal

DN A B C D E F
10 100 70 40 2 17.2 32
15 105 75 45 2 21.3 34
20 130 90 58 2.6 26.9 42
25 140 100 68 2.6 33.7 52
32 155 110 78 2.9 42.4 62
40 170 125 88 2.9 48.3 70
50 180 135 102 4 60.3 82
65 205 160 122 4 76.1 98
80 215 170 138 4.5 88.9 112
100 250 200 162 4.5 114.3 138
125 295 240 188 5.6 139.7 168
150 345 280 218 6.3 168.3 202
200 415 345 285 7.1 219.1 256
250 470 400 345 8.8 273 316
300 530 460 410 11 323.9 372
350 600 525 465 12.5 355.6 420
400 670 585 535 14.2 406.4 475
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 20 45 6 4
15 14 2 20 45 6 4
20 18 2 22 48 8 4
25 18 2 24 58 8 4
32 22 2 24 60 8 6
40 22 3 26 62 10 6
50 22 3 26 62 10 6
65 22 3 26 68 12 6
80 22 3 28 72 12 8
100 26 3 30 78 12 8
125 30 3 34 88 12 8
150 33 3 36 95 12 10
200 36 3 42 110 16 10
250 36 3 46 125 18 12
300 36 4 52 140 18 12
350 39 4 56 150 20 12
400 42 4 60 160 20 12
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 60 1/2" 75
15 4 M12 60 1/2" 75
20 4 M16 65 5/8" 85
25 4 M16 70 5/8" 90
32 4 M20 75 3/4" 95
40 4 M20 80 3/4" 100
50 4 M20 80 3/4" 100
65 8 M20 80 3/4" 100
80 8 M20 85 3/4" 105
100 8 M24 90 7/8" 115
125 8 M27 105 1" 130
150 8 M30 110 1.1/8" 145
200 12 M33 125 1¼" 165
250 12 M33 135 1¼" 170
300 16 M33 145 1¼" 185
350 16 M36 160 1.3/8" 200
400 16 M39 170 1½" 215
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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