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Rail SKL clip Fastening System

Railway SKL Clips are high-performance elastic fasteners manufactured from spring steel with a distinctive omega-shaped configuration, designed to provide consistent toe load through screw-down fixation systems. These clips function as the tensioning component within complete rail fastening assemblies, working in conjunction with angled guide plates and rail pads to maintain track geometry while absorbing dynamic forces from passing trains.
Technical Specifications:
| Clip Type | Diameter | Toe Load | Application Speed |
|---|---|---|---|
| SKL 12 | 13 mm | 9 kN | Up to 200 km/h |
| SKL 14 | 14 mm | 11 kN | Up to 250 km/h |
| SKL 15 | 15 mm | 13 kN | Up to 300 km/h |
| SKL 24 | 16 mm | 15 kN | Heavy haul |
| Material | 38Si7/51CrV4 | Heat treated | Anti-corrosion coated |
| Standard | UIC 864 | EN 13146 | AREMA Chapter 30 |

Installation & Maintenance Perspective:
- Applied using manual or mechanical screw-drive tools
- Deflection during installation indicates correct clamping force
- Visual toe gap inspection confirms proper placement
- Removable without damaging adjacent track components
- Pre-set on sleepers for accelerated track laying
Maintenance & Operational Perspective
- Linear load-deflection relationship within working range
- Central loop distributes stress evenly across clip body
- Maintains specified toe load after millions of load cycles
- Accommodates rail lift-off up to 3mm without permanent set
- Provides elastic restraint for both vertical and lateral forces

Gnee Professional supplier


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