Rigid coupling
Rigid coupling
1、The Tongue &Groove mechanism in combination with a slightly shortened key diameter provides a mechanical and frictional interlock resulting in a rigid joint which reduces undesired angular movement.
2、The build-in teeth on the coupling grip the groove shoulder and serve to reduce linear movement.
3、The Tongue&Groove mechanism features a slight offset at the foot of the coupling halves which serve to protect the gasket from exposure.
4、With the Tongue&Groove style coupling no metal-to-metal contact of the bolt pads is required you will normally see a 1.6mm to 3.2mm gap between the bold pads when installed.
5、Make the pipeline form a firm and solid whole, which is suitable for construction workers who do not require axial displacement and rotation.
| Nominal Size mm/in |
Pipe O.D mm |
Working Pressure PSI/Mpa |
Dimensions mm/in | Bolt Size | Certificate | ||
| L | H | W | NO.-Size mm | ||||
| 25/1 | 33.7 | 300/2.07 | 97 | 58 | 45.5 | M10x45 | FM UL |
| 32/1¼ | 42.4 | 300/2.07 | 104 | 66 | 45.5 | M10x45 | FM UL |
| 40/1½ | 48.3 | 300/2.07 | 114 | 72 | 45.5 | M10x45 | FM UL |
| 50/2 | 60.3 | 300/2.07 | 128 | 85 | 45.5 | M10x55 | FM UL |
| 65/2½ | 73.0 | 300/2.07 | 137 | 94 | 45.5 | M10x55 | FM UL |
| 65/2½ | 76.1 | 300/2.07 | 142 | 98 | 45.5 | M10x55 | FM UL |
| 80/3 | 88.9 | 300/2.07 | 164 | 112 | 46 | M12x65 | FM UL |
| 100/4 | 108.0 | 300/2.07 | 187 | 134 | 50 | M12x65 | FM UL |
| 100/4 | 114.3 | 300/2.07 | 190 | 138 | 50 | M12x65 | FM UL |
| 125/5 | 133.0 | 300/2.07 | 212 | 160 | 50 | M12x75 | FM UL |
| 125/5 | 139.7 | 300/2.07 | 223 | 168 | 50 | M12x75 | FM UL |
| 125/5 | 141.3 | 300/2.07 | 226 | 170 | 50 | M12x75 | FM UL |
| 150/6 | 159.0 | 300/2.07 | 244 | 188 | 50 | M12x75 | FM UL |
| 150/6 | 165.1 | 300/2.07 | 247 | 194 | 50 | M12x75 | FM UL |
| 150/6 | 168.3 | 300/2.07 | 250 | 196 | 50 | M12x75 | FM UL |
| 200/8 | 219.1 | 300/2.07 | 320 | 254 | 60 | M16x90 | FM UL |
| 250/10 | 273.0 | 300/2.07 | 408 | 316 | 65 | M20x120 | FM UL |
| 300/12 | 323.9 | 300/2.07 | 460 | 372 | 65 | M22x140 | FM UL |
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