Description
Technical Parameters
Railway SKL Clip - Technical Data Sheet (Alternate Version)
| Feature | Specification |
|---|---|
| Product Name | SKL Type Railway Spring Clip / Elastic Fastener |
| Generic Type | Torsion Spring Clip |
| Primary Function | To fasten the rail to the baseplate, maintain rail gauge, and provide constant clamping force. |
| Application | Used in conventional ballasted tracks, turnouts (switches & crossings), and industrial sidings. |
| Material Grade | 60Si2MnA (Spring Steel) per GB/T 1222, or SUP-7 per JIS, or equivalent. |
| Surface Treatment | Black Oxide Coating (for general use) or Yellow Zinc Plated (for enhanced corrosion resistance). |
| Key Characteristics | • Simple Structure • Easy Installation & Removal • Reliable Clamping Force • Cost-Effective |
| Installation Torque | 100 - 120 N·m (for reference, using a manual wrench). |
| Clamping Force (Typical) | 7.5 - 9.5 kN (Varies with rail section and design requirements). |
| Applicable Rail Sections | 50 kg/m, 60 kg/m (UIC 54, UIC 60), and other common sections. |
Comparison with Other Clip Types
| Clip Type | Mechanism | Advantages | Typical Use Case |
|---|---|---|---|
| SKL Clip (Torsion Spring) | Leverage & Torsion | Simple, robust, low cost, easy maintenance. | Conventional Lines, Sidings |
| Nabla Clip (e.g., SKL12) | Tension & Bend | Higher clamping force, superior anti-loosening. | High-Speed Rail, Heavy Haul |
| Fastclip (e.g., Pandrol) | Compression & Spring | No need for bolts, fast installation, good elasticity. | Mixed Traffic, Mass Transit |
| W-clip | Tension & Bend | Simple shape, very low cost. | Light Rail, Industrial Tracks |
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