DIN Weld Neck Flanges – Type 11 – PN160

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DIN Flange Dimensions

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

DNDkd4Sd1d3
1010070402.017.232
1510575452.021.334
25140100682.933.752
40170125883.648.370
501951451024.060.390
652201701225.076.1108
802301801386.388.9120
1002652101628.0114.3150
12531525018810.0139.7180
15035529021812.5168.3210
20043036028516.0219.1278
25051543034520.0273.0340
30058550041022.2323.9400
DNDkd4Sd1d3


DIN Flange Dimensions

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

DNd2fbh1h2r
10142204564
15142204564
25182245884
402232864106
502633075106
652633482126
802633686128
10030340100128
12533344115148
150333501281410
200363601401610
250423681551812
300424781751812
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
104M12601/2"75
154M12601/2"75
254M16705/8"90
404M20853/4"105
504M24907/8"115
658M241007/8"125
808M241057/8"130
1008M271151"145
1258M301251-1/8"160
15012M301401-1/8"170
20012M331601-1/4"200
25012M391851-1/2"230
30016M392051-1/2"250
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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