Dimension and weight of DIN2636 PN64 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 – 14 100 20 70 45 28 1.8 4 6 40 2 4 14 1.07
17.2 – 100 20 70 45 32 1.8 4 6 40 2 4 14 1.08
15 – 20 105 20 75 45 32 2 4 6 45 2 4 14 1.19
21.3 – 105 20 75 45 34 2 4 6 45 2 4 14 1.19
25 – 30 140 24 100 58 48 2.6 4 8 68 2 4 18 2.61
33.7 – 140 24 100 58 52 2.6 4 8 68 2 4 18 2.6
40 – 44.5 170 26 125 62 65 2.9 6 10 88 3 4 22 4
48.3 – 170 26 125 62 70 2.9 6 10 88 3 4 22 3.99
50 – 57 180 26 135 62 78 2.9 6 10 102 3 4 22 4.45
60.3 – 180 26 135 62 82 2.9 6 10 102 3 4 22 4.42
65 76.1 – 205 26 160 66 98 3.2 6 12 122 3 8 22 5.49
80 88.9 – 215 28 170 72 112 3.6 8 12 138 3 8 22 6.5
100 – 108 250 30 200 76 132 4 8 12 162 3 8 26 9.25
114.3 – 250 30 200 76 138 4 8 12 162 3 8 26 9.06
125 – 133 295 34 240 88 162 4.5 8 12 188 3 8 30 14.53
139.7 – 295 34 240 88 168 4.5 8 12 188 3 8 30 14.23
150 – 159 345 36 280 95 192 5.6 10 12 218 3 8 33 21.35
168.3 – 345 36 280 95 202 5.6 10 12 218 3 8 33 20.92
175 193.7 – 375 40 310 105 228 6.3 10 16 260 3 12 33 26.28
200 219.1 – 415 42 345 110 256 7.1 10 16 285 3 12 36 33.56
250 – 267 470 46 400 125 310 8.8 12 18 345 3 12 36 47.98
273 – 470 46 400 125 316 8.8 12 18 345 3 12 36 47.32
300 323.9 – 530 52 460 140 372 11 12 18 410 4 16 36 66.44
350 355.6 – 600 56 525 150 420 12.5 12 20 465 4 16 39 96.23
– 368 600 56 525 150 420 12.5 12 20 465 4 16 39 91.77
400 406.4 – 670 60 585 160 475 14.2 12 20 535 4 16 42 127.7
– 419 670 60 585 160 475 14.2 12 20 535 4 16 42 122.13