Rail skl Clip Fastening System
The Railway SKL Clip is a symmetric V-shaped elastic fastener designed for demanding rail applications. Made from high-grade alloy spring steel, its unique central pivot design delivers perfectly balanced clamping force on both sides of the rail foot. This geometry eliminates torsional stress and ensures consistent performance under extreme loads. Ideal for high-speed lines and heavy-haul corridors, the SKL clip provides exceptional resistance to vibration loosening while maintaining precise track geometry over decades of service.
Technical Specifications:
| Parameter | Value | Remarks |
|---|---|---|
| Material | 60Si2CrA | Chromium alloy spring steel |
| Hardness | 44 – 48 | HRC |
| Toe Load | 11 – 13 | kN adjustable |
| Deflection | 10 – 12 | mm elastic travel |
| Fatigue Life | 3.5 million | cycles minimum |
| Surface | ZnAl4 coating | 2x HDG corrosion resistance |
| Rail Types | 54E1, 60E1 | UIC standard profiles |
| Tool | SKL applicator | Hydraulic or manual |
| Standard | EN 13230-5 | European compliance |
Installation & Maintenance Perspective:
- Symmetric V-shape applies equal pressure to both rail foot edges.
- Central pivot point eliminates rotational moment during dynamic loading.
- Balanced force prevents asymmetric wear on rail head and shoulder.
- Stress distribution extends fatigue life beyond three million cycles.
- Uniform clamping maintains gauge accuracy on high-speed curves
Maintenance & Operational Perspective
- Dedicated hydraulic tool ensures precise toe load application every time.
- Calibrated installation eliminates human error in force adjustment.
- Visual indicator confirms correct clip seating after installation.
- No torque measurement tools are required for quality verification.
- Consistent installation across track length ensures uniform performance.
Gnee Professional supplier
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