The primary purpose of a rail fastening system is to ensure the stability, safety, and durability of railway tracks, making it an indispensable component in modern railway construction.
Also known as the Rail Fastening System, it firmly secures rails to wooden or concrete sleepers, maintaining track alignment during train operations and preventing lateral or longitudinal rail movement. The system typically includes rail clips, tie plates, rail pads, rail insulators, bolts, nuts, screws, and plastic sleeves, with each component performing a specific function to collectively ensure the stability of the railway line.
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Rail fastening systems are suitable for a variety of railway lines, including high-speed rail, heavy freight lines, and conventional railways.
Depending on line type and environmental conditions, different fastening systems can be selected, such as E-clip, SKL, KPO, and Nabla. Through careful design and standardized installation, rail fastening systems not only maintain track gauge accuracy and smooth train operation but also extend the service life of rails and sleepers, reducing maintenance costs.
SKL Rail Fastening System
There are three kinds of SKL Fastening System, SKL3, SKL12 and SKL14. It is consist of SKL tension clip, Ss35 screw spike, flat washer, plastic dowel, guide plate and rail pad. The specification is as the following:
| Item | SKL tension clip | Ss35 screw spike | Flat washer | Plastic dowel | Guide plate | Rail pad |
|---|---|---|---|---|---|---|
| Quantity | 2 | 2 | 2 | 2 | 2 | 1 |
| Material | 60Si2CrA, 60Si2CrA, 38Si7 | Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# |
Q235 | HDPE, Reinforced Nylon 66 (PA66) | Reinforced Nylon 66 (PA66) | EVA, or rubber |
E-clip Fastening System
The structure of E-clip Fastening System is very simple, the component includes E-clip, Shoulder, rail pad and insulator.
| Item | E-clip | Shoulder | Rail pad | Insulator |
|---|---|---|---|---|
| Quantity | 2 | 2 | 1 | 2 |
| Material | 60Si2MnA, 60Si2CrA | QT500-7, QT450-10 | HDPE, rubber or EVA | Reinforced Nylon 66 (PA66) |
KPO Rail Fastening System
| Item | Rail clamp | Bolt | Nut | Plain washer | Screw spike | Spring washer | Base plate |
|---|---|---|---|---|---|---|---|
| Quantity | 2 | 2 | 2 | 2 | 4 | 4 | 1 |
| Material | Q235 | 4.6 | 4 | Q235 | 4.6 | 38Si7 | QT450-10 |
| Unit weight (kg/pc) | 0.67 | 0.302 | 0.153 | 0.05 | 0.553 | 0.08 | 7.932 |
| Surface Treatment | Zinc | Zinc | Zinc | Zinc | Hot-dip galvanized | Hot-dip galvanized | Plain |
GNEE RAIL provides comprehensive rail fastening system solutions, including all types of rail clips, rail pads, tie plates, insulators, bolts, and screws, along with customized services, installation guidance, and full after-sales support, helping clients achieve efficient, safe, and long-lasting railway operations.Send your special customization requirements to GNEE.
