Description
Technical Parameters
Railway SKL Type Spring Clip - Technical Specification
| Category | Parameter | Description / Specification |
|---|---|---|
| General Information | Product Name | SKL Clip / Spring Clip |
| Primary Function | To clamp the rail to the shoulder embedded in a concrete sleeper. | |
| Application | High-speed rail, mainlines, heavy-haul lines with concrete sleepers. | |
| Physical Dimensions | Material | High-Carbon Spring Steel (e.g., 52CrMoV4) |
| Surface Treatment | Yellow Zinc Chromatation (common) or Epoxy Coating | |
| Clamping Force | ~10 - 13 kN (e.g., SKL12 provides ~12.5 kN) | |
| Fatigue Life | ≥ 5 million cycles (tested per UIC 864/EN 13481) | |
| Performance & Standards | Standards | UIC 864, EN 13481, TB/T (Chinese Railway Standard) |
| Installation | Installation Tool | SKL Tensioning Tongs (manual or hydraulic) |
Key Advantages of SKL Type Clips:
- High Elasticity: Provides a constant, reliable clamping force that maintains rail stability under varying temperatures and dynamic loads.
- Excellent Fatigue Resistance: Its design and material allow it to withstand millions of load cycles from passing trains without failure.
- Simple and Secure Installation: The design allows for easy installation and removal with specialized tools, while firmly locking into place to prevent loosening from vibrations.
- Corrosion Resistance: The surface treatment (especially yellow zinc plating) offers long-term protection against environmental corrosion.
- Global Standardization: As a de facto global standard, it ensures compatibility and availability of parts worldwide.
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