Approvals
Description
Flexible grooved couplings are designed to permit some misalignment in joints.
Sizes: DN25 – DN250
Working pressure: 21 bar.
Note! The maximum permissible pressure class rating with NordicFlow thin wall pipes is PN16.
Material Specifications
Housing: Ductile cast iron ASTM A536 65-45-12
Coating: Red paint RAL 3000 or hot-dip galvanized
Gasket: Rubber gasket EPDM, working temperature range -34°C – +110°C
Bolt & Nut: Lock cap screw, medium carbon steel, electroplated, strength class 8.8
| DN | Vd (mm) | D (mm) | L (mm) | H (mm) | C (mm) | Bolt | Torque (NM) | Weight (kg) |
| 25 | 33,7 | 55 | 97 | 45 | 73 | M10x40 | 44-54 | 0,44 |
| 32 | 42,4 | 64 | 107,2 | 45 | 84 | M10x50 | 44-54 | 0,50 |
| 40 | 48,3 | 69 | 114,0 | 45,00 | 90 | M10x50 | 44-54 | 0,54 |
| 50 | 60,3 | 83,6 | 124,0 | 46,00 | 102 | M10x60 | 44-54 | 0,68 |
| 65 | 76,1 | 98 | 139,0 | 46,00 | 115 | M10x60 | 44-54 | 0,79 |
| 80 | 88,9 | 114 | 156,0 | 46,00 | 132 | M10x60 | 44-54 | 0,96 |
| 100 | 114,3 | 142 | 189,0 | 50,00 | 162 | M12x70 | 90-100 | 1,39 |
| 125 | 139,7 | 170 | 222,0 | 50,00 | 192 | M12x70 | 90-100 | 1,92 |
| 150 | 168,3 | 198 | 251,0 | 50,00 | 222 | M12x70 | 90-100 | 2,01 |
| 200 | 219,1 | 256 | 316,0 | 60,00 | 282 | M16x85 | 200-230 | 3,82 |
| 250 | 273 | 319 | 393,0 | 64,00 | 352 | M20x110 | 270-300 | 6,52 |