Description
Technical Parameters
railway SKL clips
| Model | Clamping Force | Surface Treatment | Applicable Rail Type | Gauge Adjustment Range | Matching Pad Type | Fatigue Life (Min.) | Compliance Stds |
|---|---|---|---|---|---|---|---|
| SKL 12-LT | 6–9 kN | Electro-galvanizing (≥25μm) | 30kg/m Light Rail | ±4mm | Rubber Pad (5mm Thick) | 1.2×10⁶ Cycles | EN 13481-4, CJ/T 527 |
| SKL 14-Main | 10–14 kN | Hot-dip galvanizing (≥85μm) | 43–50kg/m Mainline Rail | -8～+4mm | Epoxy Pad (8mm Thick) | 2.0×10⁶ Cycles | EN 13481-3, GB/T 13489 |
| SKL 15-HD | 18–25 kN | Dacromet (≥8μm) + Zinc Plating | 60–75kg/m Heavy-Haul Rail | -10～+6mm | Composite Pad (10mm Thick) | 3.5×10⁶ Cycles | AREMA 10, GB/T 13489 |
| SKL 20-HS | 15–20 kN | Dacromet + Sealant (≥10μm) | 60kg/m High-Speed Rail (≥350km/h) | -6～+4mm | Elastic Pad (12mm Thick) | 5.0×10⁶ Cycles | TB/T 3562, EN 13481-2 |
| SKL 11-Tram | 5–8 kN | Phosphate Coating + Oil | 22kg/m Urban Tram Rail | ±3mm | Foam Pad (4mm Thick) | 1.0×10⁶ Cycles | TB/T 3395.1, CJ/T 527 |
Performance & Installation Inspection Checklist
| Inspection Stage | Key Item | Test Method | Sampling Rule | Tool/Reference |
|---|---|---|---|---|
| Incoming Check | Material & Dimension | Handheld PMI + Digital Caliper | 5 pcs/batch | Portable PMI Analyzer; 0.01mm Caliper |
| Dynamic Performance | Clamping Force Stability | Dynamic Force Tester | 3 pcs/batch | Servo Hydraulic Dynamic Tester |
| Low-Temp Resistance | Toughness at Low Temp | Charpy Impact Tester | 2 pcs/batch | Low-Temp Charpy Tester (-60℃~20℃) |
| On-Site Installation | Fit & Torque Match | Gauge Block + Torque Wrench | 10 pcs/100m track | Precision Gauge Block; Adjustable Torque Wrench |
| Long-Term Service | Corrosion & Wear | Salt-Spray Test + Thickness Gauge | 4 pcs/km annually | Salt-Spray Chamber; Magnetic Thickness Gauge |
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