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If you work with welding positioners or turn rolls, you know the headache of managing ground cables. As the pipe or tank spins, your ground cable wraps around the workpiece, forcing you to stop, untangle, and reset. The NKK-2000 Rotating Coupling is the professional solution to this problem. It acts as a swivel for your electrical current, allowing the workpiece to rotate endlessly while your ground cable stays stationary and secure. This simple yet powerful device is a game-changer for pipe shops and heavy fabrication yards.
With a massive 2000 Amp rating, this coupling isn't just for light duty; it's built to handle the heat of heavy flux-cored or submerged arc welding. Whether you are welding thick-wall pressure vessels or large diameter structural pipe, the NKK-2000 ensures that your ground connection remains cool and consistent. A poor ground can lead to sputtering arcs, porosity, and inconsistent penetration—issues you can't afford on critical welds. This coupling guarantees that the current flows smoothly from the power source to the work, letting you focus on the puddle rather than the cables.
Installation is straightforward. The coupling typically mounts to the spindle or shaft of your positioner or fixture. Once installed, it becomes a permanent part of your setup. The heavy-duty construction means it can take a beating, but like any precision tool, it benefits from a little care. Keeping it greased with the proper conductive lubricant ensures it spins freely and conducts electricity efficiently for years. Stop fighting with twisted cables and upgrade your rotary setup with the NKK-2000.
Why Welders Choose the NKK-2000:
| Additional Information |
|---|
| Amperage:2000 |
| Brand:ESAB |
| Packaging Description:1 Per Ea |
| Device Type:Rotating Ground Coupling |
| Amperage Capacity:2000 A |
| Application:Rotary Welding, Positioners, Pipe Fabrication |
| Cooling Method:Air Cooled |
