Description
Technical Parameters
Railway SKL Clips: Technical Data Sheet
| Aspect | Description & Details |
|---|---|
| Product Name | SKL Clip (A specific, branded type of rail fastening clip) |
| Manufacturer | Vossloh AG (A leading global rail technology company. The SKL brand originated from Schwihag, now part of Vossloh). |
| Primary Function | To elastically fasten the rail to the sleeper (concrete, steel, or wooden) or directly to a baseplate, maintaining gauge and absorbing dynamic forces. |
| Key Features | - High, Constant Clamping Force: Provides excellent toe load to secure the rail. - Vibration Damping: Effectively absorbs vibrations and noise. - Low Maintenance: Designed for long service life and reliability. - Easy Installation & Removal: Can be installed/removed with a simple tool without disturbing adjacent fasteners. |
| Material | High-grade, quenched and tempered spring steel (typically conforming to standards like DIN 17221 or similar). |
Comparison with Other Clip Types
| Feature | SKL Clip | Pandrol® 'e' Clip | Nabla Clip |
|---|---|---|---|
| Installation Method | Tensioned and locked into place with a bolt/nut. | Pressed down ("nipped") onto a shoulder. | Hammered or pressed into a housing. |
| Primary Tool | Manual or hydraulic wrench for the bolt. | Special hydraulic "nipping" tool. | Manual hammer or press. |
| Visual Identification | Distinctive shape, secured by a bolt on one side. | Classic "E" shape. | Inverted "V" or "nabla" (∇) shape. |
| Key Advantage | Very secure, high resistance to loosening, high toe load. | Simplicity, widespread use, easy installation. | Simple desi |
Advantages & Disadvantages
| Advantages | Disadvantages |
|---|---|
| ✅ Exceptional Security: The bolted system is highly resistant to clip loss or loosening under vibration. | ❌ More Components: The system requires a bolt, nut, and insulator, which adds to the number of parts. |
| ✅ High Holding Power: Provides a very strong and reliable clamping force. | ❌ Installation Time: Bolting each clip can be slightly slower than pressing on an E-clip. |
| ✅ Proven Reliability: A trusted technology used in demanding applications worldwide. | ❌ Cost: The system can be more expensive initially than simpler clip systems. |
| ✅ Maintenance-Friendly: Individual clips can be replaced without major track disruption. |
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