short name: KORB*semi-elliptical head DIN 28013

technical product sheet

D s r H

48,3 3,0 39 22

60,3 3,0 48 27

60,3 4,0 48 27

76,1 4,0 61 29

101,6 3,0 81 33

108,0 6,0 86 48

114,3 4,0 91 46

139,7 3,0 112 43

139,7 4,0 112 49

168,3 3,0 135 49

168,3 4,0 135 57

219,1 3,0 175 66

219,1 4,0 175 58

273,0 3,0 218 69

306,0 3,0 245 80

306,0 4,0 245 81

400,0 3,0 320 104

406,0 3,0 324 104

419,0 3,0 335 109

457,0 3,0 366 127

available material: 1.4307

Butt welding fittings › caps and heads › semi-elliptical heads

created 02.04.2022 08:25 1/3

Semi-ellipticall head according to DIN 28013

Dimensions Calculationr1 = Curvature radius r1 = 0.8XD

r2 = Corner radius r2 = 0.154XD

h1 = Cylindrical head height h1 = 3s or as desired

h2 = Curvature height h2 = 0.255da – 0.635s

H = Total inner head height H = h1+h2

r1D r2 Ltr.400500 75 16,3

480600 90 28,1

560700 110 44,6

640800 125 66,6

720900 140 94,8

8001000 155 130

8801100 170 173

9601200 185 225

10401300 200 286

11201400 215 357

12001500 230 439

12801600 245 532

13601700 265 639

14401800 280 758

15201900 290 892

16002000 310 1040

16802100 325 1204

17602200 340 1384

18402300 355 1582

19202400 370 1797

20002500 385 2031

20802600 400 2285

21602700 415 2559

22402800 430 2854

23202900 445 3171

24003000 460 3510

created 02.04.2022 08:25 2/3

created 02.04.2022 08:25 3/3