Description
Technical Parameters
Railway Fastening System
| Category | Specification | Standard/Reference |
|---|---|---|
| Mechanical Performance | - Clip toe load: 8-18 kN - Lateral stiffness: 25-60 kN/mm - Fatigue life: >3M cycles |
DIN 45672, EN 13230-3 |
| Installation | - Torque: 150-350 N·m (lubricated) - Gap tolerance: ±1 mm - Ballast depth: 250-350 mm |
UIC 719R, AREMA Ch.1 |
| Maintenance | - Inspection: Annual (visual), 3-year (load check) - Replacement: Cracks >3mm or wear >30% |
EN 13848-1, UIC 721R |
Fastening Types Comparison
| Type | Clip Force | Sleeper Compatibility | Best For |
|---|---|---|---|
| SKL15 | 15 kN | Concrete (B90) | Heavy-haul (>25t axle) |
| Nabla Clip | 10 kN | Wood/concrete | Urban transit |
| Fastclip | 12 kN | Steel/concrete | High-speed (300 km/h) |
| Pandrol e-Clip | 9 kN | Concrete (B70) | Light rail |
Key Components Specifications
| Component | Material | Standards | Service Life |
|---|---|---|---|
| Elastic Clip | 60Si2CrA spring steel | EN 10089, ISO 683-14 | 15-25 years |
| Insulation Pad | Glass-filled nylon (GF-PA66) | EN 15528 | 10-15 years |
| Anchor Bolt | A4-80 stainless steel | ISO 3506 | 20+ years |
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