Dimension and weight of DIN2627 PN400 Welding Neck Flange
Pipe Parameter d1 Flange Dimension Neck Size Hub Size Screw Approx. Flange Weight
DN ISO DIN D b k h1 d3 s r h2 d4 f No. of Holes d2 KG/PCS
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
15 – 20 130 26 90 60 48 3.2 4 6 45 2 4 18 2.49
21.3 – 130 26 90 60 48 3.2 4 6 45 2 4 18 2.49
25 – 30 160 34 115 78 68 5 4 8 68 2 4 22 5.14
33.7 – 160 34 115 78 68 5 4 8 68 2 4 22 5.11
40 – 44.5 195 38 145 88 92 6.3 6 10 88 3 4 26 8.53
45.3 – 195 38 145 88 92 6.3 6 10 88 3 4 26 8.47
50 63.5 – 210 42 160 100 106 8 6 10 102 3 8 26 10.52
65 88.9 – 255 51 200 120 138 11 6 12 122 3 8 30 19.26
80 101.6 – 275 55 220 130 156 12.5 8 14 138 3 8 30 24.81
100 – 133 335 65 265 145 186 16 8 16 162 3 8 36 42.18
125 – 159 380 75 310 175 230 20 8 20 188 3 12 36 64.55
168.3 – 380 75 310 175 230 20 8 20 188 3 12 36 63.3
150 193.7 – 425 84 350 195 265 25 10 25 218 3 12 36 91.04
175 219.1 – 485 95 400 215 308 28 10 28 260 3 12 42 135.46
200 244.5 – 525 103 440 235 345 30 10 30 285 3 16 42 170.94
250 323.9 – 640 125 540 300 428 40 12 40 345 3 16 52 311.99