Why choose the SK System?
The SK system combines safety, efficiency and versatility in one solution.
Key advantages:
- Electrically insulated up to max. 1000 V
Ideal for working near electrical voltage and during welding operations
- Modular and flexible
Components can easily be combined and adapted
- Quick assembly and disassembly
No complex setup or specialised tools required
- Error-free connection system
Standardised connections help prevent incorrect combinations
- Wide range of applications
Compatible with chain slings, steel wire ropes and round slings
How does the system work?
The SK System uses a coupling connection with pin and locking mechanism, allowing all components to be connected safely and securely.
This creates a flexible lifting configuration that can quickly be adapted to changing conditions without compromising safety.
The electrical insulation remains fully maintained throughout the system, which is essential for applications involving electrical current or welding activities.
Typical applications:
The SK System and SKLI / SKLU swivel are commonly used for:
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Maintenance of industrial installations
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Working near electrical voltage
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Complex lifting applications (rescue operations)
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Applications requiring rotation under load

Key components in the SK System
The SK System consists of various components that work together as one integrated system:
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SKT → coupling links
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SKG / SKO → master links
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SKR → couplings for round slings
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ESKN / SKN → hooks
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SKLI / SKLU → ball bearing swivels
SKLI / SKLU – GInsulated ball bearing swivel
What makes this swivel unique?
The SKLI / SKLU swivel is an essential component within the SK System and combines rotation under load with electrical insulation.
Thanks to the integrated ball bearing, the load can rotate freely, while the insulation prevents electrical current from travelling through the lifting configuration.
Electrically insulated up to max. 1000 V
Why use an insulated swivel?
With standard lifting components, electrical current can travel through the load or lifting assembly. The SKLI / SKLU prevents this by interrupting electrical conductivity within the system.
Advantages:
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Increased safety during welding operations
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Protection of both operator and equipment
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Reduced risk of damage caused by electrical current
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Reliable performance in critical applications