Marine Pipe Fitting >> Flanges >> DIN Flanges >> Integral FlangesDIN 2628 Welding Neck Flange PN250
　
Product Name Welding Neck Flange PN250
Standard DIN 2628
Product No: DN d1 D b K h1 d3 S R h2 d4 f No. of holes d2 KG
ISO DIN
MFVE619-DIN01 10 - 14 125 24 85 58 44 2.6 4 6 40 2 4 18 2.1
　 17.2 - 125 24 85 58 44 2.6 4 6 40 2 4 18 2.09
MFVE619-DIN02 15 - 20 130 26 90 60 48 2.6 4 6 45 2 4 18 2.48
　 21.3 - 130 26 90 60 48 2.6 4 6 45 2 4 18 2.47
MFVE619-DIN03 25 - 30 150 28 105 65 60 3.6 4 8 68 2 4 22 3.56
　 33.7 - 150 28 105 65 60 3.6 4 8 68 2 4 22 3.53
MFVE619-DIN04 40 - 44.5 185 34 135 80 84 5 6 10 88 3 4 26 6.65
　 48.3 - 185 34 135 80 84 5 6 10 88 3 4 26 6.58
MFVE619-DIN05 50 - 57 200 38 150 85 95 6.3 6 10 102 3 8 26 8.17
　 60.3 - 200 38 150 85 95 6.3 6 10 102 3 8 26 8.09
MFVE619-DIN06 65 76.1 - 230 42 180 95 124 8 6 12 122 3 8 26 12.59
MFVE619-DIN07 80 101.6 - 255 46 200 102 136 11 8 12 138 3 8 30 16.32
MFVE619-DIN08 100 127 - 300 54 235 120 164 14.2 8 14 162 3 8 33 27.07
MFVE619-DIN09 125 152.4 - 340 60 275 140 200 16 8 16 188 3 12 33 38.79
MFVE619-DIN10 150 177.8 - 390 68 320 160 240 17.5 10 18 218 3 12 36 59.05
MFVE619-DIN11 200 244.5 - 485 82 400 190 305 25 10 25 285 3 12 42 109.45
MFVE619-DIN12 250 298.5 - 585 100 490 215 385 32 12 30 345 3 16 48 189.94
Raw Material For Forged Flange
Grade C Si Mn P S Al Ni Cu Cr V Nb Ti
C22.8 0.18-0.23 ≤0.4 0.4-0.9 ≤0.035 ≤0.03 0.015-0.05 ≤0.3 ≤0.03 ≤0.3 　 　 　
P250GH 0.18-0.23 0.2-0.4 0.4-0.9 0.025 0.015 0.015-0.05 ≤0.3 ≤0.03 ≤0.3 0.02 　 　
Q235 0.14-0.22 ≤0.3 0.3-0.65 ≤0.045 ≤0.05 　 　 　 　 　 　 　
Q345D ≤0.18 ≤0.55 1-1.6 ≤0.03 ≤0.03 　 ≤0.03 ≤0.3 ≤0.3 0.02-0.15 0.015-0.06 0.02-0.2
20G 0.17-0.23 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 　 ≤0.3 ≤0.25 ≤0.25 　 　 　
A105 ≤0.35 0.1-0.35 0.6-1.05 ≤0.035 ≤0.04 　 ≤0.4 ≤0.4 ≤0.3 　 　 　
SS400 ≤0.21 ≤0.3 ≤0.14 ≤0.035 ≤0.035 　 　 　 　 　 　 　
RST37.2 ≤0.17 ≤0.12 ≤1.25 ≤0.035 ≤0.035 　 　 　 　 　 　 　
S235JRG2 ≤0.17 ≤0.12 ≤1.25 ≤0.035 ≤0.035 　 　 　 　 　 　 　

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