Dimension and weight of DIN2633 PN16 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 d2 KG/PCS
Holes
10 – 14 90 14 60 35 25 1.8 4 6 40 2 4 14 0.58
17.2 – 90 14 60 35 28 1.8 4 6 40 2 4 14 0.58
15 – 20 95 14 65 35 30 2 4 6 45 2 4 14 0.65
21.3 – 95 14 65 35 32 2 4 6 45 2 4 14 0.65
20 – 25 105 16 75 38 38 2.3 4 6 58 2 4 14 0.95
26.9 – 105 16 75 38 40 2.3 4 6 58 2 4 14 0.95
25 – 30 115 16 85 38 42 2.6 4 6 68 2 4 14 1.15
33.7 – 115 16 85 38 45 2.6 4 6 68 2 4 14 1.14
32 – 38 140 16 100 40 52 2.6 6 6 78 2 4 18 1.67
42.4 – 140 16 100 40 56 2.6 6 6 78 2 4 18 1.65
40 – 44.5 150 16 110 42 60 2.6 6 7 88 3 4 18 1.85
48.3 – 150 16 110 42 64 2.6 6 7 88 3 4 18 1.83
50 – 57 165 18 125 45 72 2.9 6 8 102 3 4 18 2.51
60.3 – 165 18 125 45 75 2.9 6 8 102 3 4 18 2.48
65 76.1 – 185 18 145 45 90 2.9 6 10 122 3 4 18 3.03
80 88.9 – 200 20 160 50 105 3.2 8 10 138 3 8 18 3.82
100 – 108 220 20 180 52 125 3.6 8 12 158 3 8 18 4.54
114.3 – 220 20 180 52 131 3.6 8 12 158 3 8 18 4.41
125 – 133 250 22 210 55 150 4 8 12 188 3 8 18 6.28
139.7 – 250 22 210 55 156 4 8 12 188 3 8 18 6.07
150 – 159 285 22 240 55 175 4.5 10 12 212 3 8 22 7.75
168.3 – 285 22 240 55 184 4.5 10 12 212 3 8 22 7.4
175 193.7 – 315 24 270 60 210 5.4 10 12 242 3 8 22 9.86
200 219.1 – 340 24 295 62 235 5.9 10 16 268 3 12 22 10.85
250 – 267 405 26 355 70 285 6.3 12 16 320 3 12 26 16.26
273 – 405 26 355 70 292 6.3 12 16 320 3 12 26 15.87
300 323.9 – 460 28 410 78 344 7.1 12 16 378 4 12 26 21.24
350 355.6 – 520 30 470 82 390 8 12 16 438 4 16 26 31.38
– 368 520 30 470 82 390 8 12 16 438 4 16 26 28.95
400 406.4 – 580 32 525 85 445 8 12 16 490 4 16 30 39.3
– 419 580 32 525 85 445 8 12 16 490 4 16 30 36.3
500 508 – 715 34 650 90 548 8 12 16 610 4 20 33 59.63
600 610 – 840 36 770 95 652 8.8 12 18 725 5 20 36 82.54
700 711 – 910 36 840 100 755 8.8 12 18 795 5 24 36 83.9
800 813 – 1025 38 950 105 855 10 12 20 900 5 24 39 107.3
900 914 – 1125 40 1050 110 955 10 12 20 1000 5 28 39 124.97
1000 1016 – 1255 42 1170 120 1058 10 16 22 1115 5 28 42 163.76
1200 1220 – 1485 48 1390 130 1262 12.5 16 30 1330 5 32 48 244.15
1400 1420 – 1685 52 1590 145 1465 14.2 16 30 1530 5 36 48 320.87
1600 1620 – 1930 58 1820 160 1668 16 16 35 1750 5 40 56 465.83
1800 1820 – 2130 62 2020 170 1870 17.5 16 35 1950 5 44 56 570.52
2000 2020 – 2345 66 2230 180 2072 20 16 40 2150 5 48 62 706.74