DIN Weld Neck Flanges – Type 11 – PN25

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DIN Flange Dimensions

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

DNDkd4Sd1d3
109060402.017.228
159565452.021.332
2010575582.326.940
2511585682.633.746
32140100782.642.456
40150110882.648.364
501651251022.960.375
651851451222.976.190
802001601383.288.9105
1002351901623.6114.3134
1252702201884.0139.7162
1503002502184.5168.3192
2003603102786.3219.1244
2504253703357.1273.0298
3004854303958.0323.9352
DNDkd4Sd1d3
3505554904508.0355.6398
4006205505058.8406.4452
4506706005558.8457.0500
50073066061510.0508.0558
60084577072011.0610.0660
70096087582014.2711.0760
800108599093016.0813.0864
90011851090103017.5914.0968
100013201210114020.01016.01070


DIN Flange Dimensions

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

DNd2fbh1h2r
10142163564
15142163864
20142184064
25142184064
32182184266
40183184576
50183204886
651832252106
801832458128
1002232465128
1252632668128
15026328751210
20026330801610
25030332881812
30030434921812
DNd2fbh1h2r
350334381002012
400364401102012
450364461102012
500364481252012
600395481252012
700425501292012
800485531382212
900485571482412
1000565631602416


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
104M12501/2"65
154M12501/2"65
204M12551/2"70
254M12551/2"70
324M16605/8"80
404M16605/8"80
504M16655/8"80
658M16655/8"85
808M16705/8"90
1008M20753/4"95
1258M24857/8"110
1508M24907/8"115
20012M24907/8"115
25012M271001"130
30016M271051"130
DNNo of BoltsDia. of Hex BoltsLength of Hex BoltsDia. of Stud BoltsSLength of Stud Bolts
35016M301151-1/8"145
40016M331201-1/4"160
45020M331351-1/4"170
50020M331401-1/4"175
60020M361401-3/8"180
70024M391501-1/2"195
80024M451601-3/4"215
90028M451701-3/4"220
100028M521902"250

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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