DIN Weld Neck Flanges – Type 11 – PN400

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DIN Flange Dimensions

PN10 | PN16 | PN25 | PN40 | PN63 | PN100 | PN160 | PN250 | PN320 | PN400

DNDkd4Sd1d3
1012585403.617.248
15145100455.026.956
25180130687.142.482
402201658810.060.3106
5023518010212.576.1120
6529022512216.0101.6158
8030524013817.5114.3174
10037029516222.2139.7216
12541534018830.0193.7258
15047539021835.0219.1302
20058549028540.0273.0388
DNDkd4Sd1d3


DIN Flange Dimensions

PN10 | PN16 | PN25 | PN40 | PN63 | PN100 | PN160 | PN250 | PN320 | PN400

DNd2fbh1h2r
10182286584
15222306884
252623890104
4030348110126
5030352120156
6533364135186
8033368150208
10039380175258
12539392200308
1504231052253510
2004831302804010
DNd2fbh1h2r


DIN Flange Dimensions

PN10 | PN16 | PN25 | PN40 | PN63 | PN100 | PN160 | PN250 | PN320 | PN400

DNNo of BoltsDia. of Hex BoltsLength of Hex BoltsDia. of Stud BoltsSLength of Stud Bolts
104M16805/8"100
154M20853/4"110
254M241107/8"135
404M271301"160
508M271401"170
658M301651-1/8"200
808M301751-1/8"205
1008M362051-3/8"245
12512M362301-3/8"270
15012M392601-1/2"305
20016M453151-3/4"370
DNNo of BoltsDia. of Hex BoltsLength of Hex BoltsDia. of Stud BoltsSLength of Stud Bolts

PN10 | PN16 | PN25 | PN40 | PN63 | PN100 | PN160 | PN250 | PN320 | PN400

Legend

D = Outside Diameter
k = Diameter of Bolt Circle
d2 = Diameter of Bolt Holes
d4 = Diameter of Raised Face
f = Height of Raised Face
d1 = Outside Diameter of Neck
b = Flange thickness
h1 = Length of Flange
h2 = Length of right end
d3 = Neck Diameter
r = Radius of Corners
S = Wall thickness

General notes:

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

Extra notes:

  1. Hex bolt lengths and diameters & lengths of Stud Bolts are calculated.
  2. All bolt lengths calculated without washers, spring washers etc. and free threads (equals 1/3 time bolt diameter).
  3. Gasket thickness considered 3 mm for bolt length calculations.
  4. The dimensions of the bolts are for the type 11 weld neck flange.
  5. Please not that other types of flanges can be have different bolt hole diameters and thicknesses, so that the bolts even can have different dimensions.

PN10 | PN16 | PN25 | PN40 | PN63 | PN100 | PN160 | PN250 | PN320 | PN400

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