Railway Fastening Clips - Product Selection & Configuration Parameters
| Parameter Category | Specification / Option 1 | Specification / Option 2 | Application Notes |
|---|---|---|---|
| Clip Type / Model | SKL Type Tension Clip | Nabla (ω) Type Clip | SKL for high-speed/heavy-haul; Nabla for urban transit. |
| Rail Section Compatibility | 60E1 / UIC60 | 54E1 / UIC54 | Customizable for other rail profiles (e.g., 50E1). |
| Sleeper Type Compatibility | Concrete Sleeper | Wooden Sleeper | Different baseplate/insulator configurations required. |
| Fastening Assembly Torque | 150 - 200 N·m | 120 - 150 N·m | Critical for maintaining toe load. Use calibrated wrench. |
| Corrosion Protection Class | Class B (Hot-Dip Galvanizing) | Class C (Electro-Galvanizing) | Class B for standard environments; Class C for mild, dry conditions. |
| Operating Temp. Range | Standard Grade: -40°C to +60°C | Low-Temp Grade: -60°C to +60°C | Low-temp grade ensures elasticity in extreme cold. |
| Electrical Insulation | Integrated Insulator | Separate Insulator Component | Essential for track circuit signaling systems. |
Railway Fastening Clips - Quality Assurance & Technical Services
| Item | Standard / Commitment | Description & Customer Benefit |
|---|---|---|
| Material Certification | EN 10083 / GB/T 1222 | Traceable spring steel with certified chemical & mechanical properties. |
| Fatigue Life Test | > 5 Million Cycles (EN 13146) | Validates long-term performance and reliability under dynamic loading. |
| Initial Toe Load | Complies with EN 13481 / TB/T 3396 | Ensures secure rail holding force right after installation. |
| Load-Deflection Curve | Consistent & Repeatable | Guarantees predictable elastic behavior and interchangeability. |
| Third-Party Inspection | Accepted (e.g., Bureau Veritas) | Provides an unbiased quality verification for buyer's peace of mind. |
| Technical Support | Drawings & Assembly Guidance | Assists in correct installation and system integration. |
| Warranty | 24 Months from shipment | Commitment to product quality and performance. |
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