Components / Grooved Couplings / Rigid Coupling
Description
Rigid couplings are the standard rigid couplings used in general piping applications where rigidity is required. Rigidity is obtained through puzzle pad closing and grip teeth in the housing that attach to the pipe.
Sizes
DN25 – DN300
Operating pressure
300 PSI/2068 kPa/20,7 barg
Material Specification
Body: Cast iron ASTM A536 65-45-12
Finish: Red paint RAL 3000 or galvanized (Dacromet)
Gasket: EPDM rubber, temperature range -34 ° C – + 110 ° C
Bolt & Nut: Lock Cap Screw, medium-carbon steel, zinc plated , strength class 8.8
Dimensions:
| DN | Vd (mm) | D (mm) | L (mm) | H (mm) | C (mm) | Bolt | Torque (NM) | Weight (kg) |
| 25 | 33,7 | 55 | 97 | 45 | 73 | M10x40 | 60-70 | 0,42 |
| 32 | 42,4 | 63,5 | 107,5 | 45 | 84 | M10x50 | 60-70 | 0,51 |
| 40 | 48,3 | 69 | 114 | 45 | 90 | M10x50 | 60-70 | 0,53 |
| 50 | 60,3 | 83,6 | 124 | 46 | 102 | M10x60 | 60-70 | 0,68 |
| 65 | 76,1 | 98 | 139 | 46 | 115 | M10x60 | 60-70 | 0,80 |
| 80 | 88,9 | 114 | 156 | 46 | 132 | M10x60 | 60-70 | 0,95 |
| 100 | 114,3 | 142 | 189 | 50 | 162 | M12x70 | 90-100 | 1,44 |
| 125 | 139,7 | 170 | 222 | 50 | 192 | M12x70 | 90-100 | 1,91 |
| 150 | 168,3 | 198 | 251 | 50 | 222 | M12x70 | 90-100 | 2,10 |
| 200 | 219,1 | 260 | 322 | 58 | 282 | M16x85 | 200-230 | 3,77 |
| 250 | 273 | 319 | 393 | 64 | 252 | M20x110 | 270-300 | 6,54 |
| 300 | 323,9 | 374 | 453 | 65 | 410 | M20x130 | 270-300 | 8,60 |