Weld neck flanges
EN1092-1 Type11, B1, PN16 / PN40, P250GH / P280GH, P355NH
Diameter |
Outside diameter (mm) |
Wall thickness (mm) P250GH / C22,8 |
Wall thickness (mm) P280GH / P355NH |
Pressure Class |
K |
D |
b |
h1 |
d2 |
Holes |
P250/ C22,8 |
P280GH / P355NH |
Weight (kg/pc) |
| DN15 | 21,3 | 2,0 | Smax=without center hole | PN40 | 65 | 95 | 16 | 38 | 14 | 4 | 0,768 | ||
| DN20 | 26,9 | 2,3 | Smax=without center hole | PN40 | 75 | 105 | 18 | 40 | 14 | 4 | 1,09 | ||
| DN25 | 33,7 | 2,6 | Smax=without center hole | PN40 | 85 | 115 | 18 | 40 | 14 | 4 | 1,30 | ||
| DN32 | 42,4 | 2,6 | Smax=without center hole | PN40 | 100 | 140 | 18 | 42 | 18 | 4 | 1,91 | ||
| DN40 | 48,3 | 2,6 | Smax=without center hole | PN40 | 110 | 150 | 18 | 45 | 18 | 4 | 2,15 | ||
| DN50 | 60,3 | 2,9 | PN16 | 125 | 165 | 18 | 45 | 18 | 4 | 2,53 | |||
| Smax=8,8 | PN40 | 20 | 48 | 2,85 | |||||||||
| DN65 | 76,1 | 2,9 | PN16 | 145 | 185 | 18 | 45 | 18 | 4 | 3,03 | |||
| Smax=8,8 | PN40 | 22 | 52 | 8 | 3,68 | ||||||||
| DN80 | 88,9 | 3,2 | PN16 | 160 | 200 | 20 | 50 | 18 | 8 | 3,92 | |||
| Smax=10,0 | PN40 | 24 | 58 | 4,78 | |||||||||
| DN100 | 114,3 | 3,6 | Smax=10,0 | PN16 | 180 | 220 | 20 | 52 | 18 | 8 | 4,62 | ||
| Smax=10,0 | PN40 | 190 | 235 | 24 | 65 | 22 | 6,46 | ||||||
| DN125 | 139,7 | 4,0 | Smax=12,0 | PN16 | 210 | 250 | 22 | 55 | 18 | 8 | 6,30 | ||
| Smax=12,0 | PN40 | 220 | 270 | 26 | 68 | 26 | 8,86 | ||||||
| DN150 | 168,3 | 4,5 | Smax=12,5 | PN16 | 240 | 285 | 22 | 55 | 22 | 8 | 7,81 | ||
| Smax=12,5 | PN40 | 250 | 300 | 28 | 75 | 26 | 11,70 | ||||||
| DN200 | 219,1 | 6,3 | Smax=10,0 | PN16 | 295 | 340 | 24 | 62 | 22 | 12 | 11,50 | ||
| Smax=10,0 | PN40 | 320 | 375 | 34 | 88 | 30 | 21,00 | ||||||
| DN250 | 273,0 | 6,3 | PN16 | 355 | 405 | 26 | 70 | 26 | 12 | 16,70 | |||
| 7,1 | PN40 | 385 | 450 | 38 | 105 | 33 | 34,20 | ||||||
| DN300 | 323,9 | 7,1 | PN16 | 410 | 460 | 28 | 78 | 26 | 12 | 22,10 | |||
| PN40 | 450 | 515 | 42 | 115 | 33 | 16 | 47,60 |