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Rail skl Clip Fastening System

Railway SKL Clips are omega-shaped elastic fasteners manufactured from high-performance spring steel, designed for screw-down fixation through angled guide plates. These clips function as the tensioning element in complete rail fastening assemblies, converting rotational torque into sustained clamping force. The distinctive looped geometry enables controlled deflection while maintaining gauge retention and resisting longitudinal creep.
Technical Specifications:
| Feature | SKL 12 | SKL 15 | SKL B14 |
|---|---|---|---|
| Wire Diameter | 13 mm | 14 mm | 13.5 mm |
| Clamping Force | 9 kN | 11 kN | 10 kN |
| Installation Torque | 150 Nm | 180 Nm | 165 Nm |
| Fatigue Cycles | 3 million | 5 million | 4 million |
| Primary Market | High-speed | Heavy haul | Mixed traffic |
| Standard Compliance | UIC 864 | EN 13481 | AREMA |

Installation & Maintenance Perspective:
- Hydraulic tensioners enable consistent clip deflection
- Manual wrenches available for maintenance applications
- Torque-limiting tools prevent over-tensioning damage
- Quick-release mechanisms speed up removal operations
- Tool compatibility across multiple clip sizes reduces inventory
Maintenance & Operational Perspective
- Zinc plating provides basic corrosion resistance
- Dacromet coating offers enhanced salt spray protection
- Geometric coating ensures uniform layer thickness
- Organic topcoats available for extreme environments
- Surface treatment validated by 500-1000h salt spray testing

Gnee Professional supplier


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