What are the applications of Fast clips in railway?
Rail clip, also called elastic rail clip, it is used to fasten the rail tracks with railroad spike, rail pad, track bolt, rail joint bar together. It is also usually used as a part of rail fastening system. There are huge demand of rail clips on the railway line, about 7000pcs per kilometer, which is directly related to rail safety.
As an OEM & OBM manufacturer, GNEE RAIL is capable of not only producing a wide range of internationally common types of rail clips, such as W Tension Clamp, e-Clip, Fast-Clip, SKL Tension Clamp, Nabla Blade, etc., but also customizing products tailored to our customers' specific requirements.
| Model | Diameter | Weight | Material |
| Type III | Ø18 | 0.80kg/pc | 60Si2MnA |
| E1609 | Ø16 | 0.43 kg/pc | 60Si2MnA |
| E1809 | Ø20 | 0.61kg/pc | 60Si2MnA |
| E1813 | Ø18 | 0.62kg/pc | 60Si2MnA |
| E2001 | Ø20 | 0.80kg/pc | 60Si2MnA |
| E2007 | Ø20 | 0.80kg/pc | 60Si2MnA |
| E2009 | Ø20 | 0.80kg/pc | 60Si2MnA |
| E2039 | Ø20 | 0.80kg/pc | 60Si2MnA |
| E2055 | Ø20 | 0.80kg/pc | 60Si2MnA |
| E2056 | Ø20 | 0.80kg/pc | 60Si2MnA |
| E2063 | Ø20 | 0.80kg/pc | 60Si2MnA |
| PR85 Rail Clip | Ø13 | 0.25kg/pc | 60Si2MnA |
| PR309A | Ø19 | 0.85kg/pc | 60Si2MnA |
| PR401 | Ø20 | 0.97kg/pc | 60Si2MnA |
| PR415 | Ø20 | 0.95kg/pc | 60Si2MnA |
| PR601A | Ø20 | 1.03kg/pc | 38Si7 |
| SKL 1 | Ø13 | 0.48kg/pc | 60Si2CrA |
| SKL 3 | Ø13 | 0.48kg/pc | 60Si2CrA |
| SKL 12 | Ø13 | 0.53kg/pc | 38Si7 |
| SKL 14 | Ø13 | 0.53kg/pc | 60Si2MnA |
| Special Rail Clip | Ø13 | 0.48kg/pc | 60Si2MnA |
| Russia Rail Clip | Ø18 | 0.58kg/pc | 60Si2MnA |
| Deenik Clip | Ø25 | 0.49-0.68kg/pc | 60Si2MnA |
| Single Anti- | Ø20 | 0.25kg/pc | 60Si2MnA |
| Theft |
Fast clips are used in railways for securing rails to sleepers, providing stability and efficiency in high-speed, heavy-haul, and urban transit applications. Their main applications are enabling quick and mechanized installation, ensuring track stability through consistent clamping force, and absorbing vibrations and impacts from passing trains.
Primary applications
- Fast and efficient installation: Fast clips are designed for quick installation and are compatible with mechanized track laying equipment, speeding up both initial construction and maintenance.
- Securing rails: Their primary function is to securely fasten the steel rail to the base plate or sleeper, ensuring the stability and integrity of the track.
- Vibration and shock absorption: The elasticity of the clip system helps to absorb the impact energy of passing trains, reducing shock and vibration transmitted through the track structure.
- Track stability: They maintain a constant clamping force, preventing rail movement and distributing forces from train operations uniformly to the sleepers.
Specific railway types
- High-speed railways: Widely used due to their ability to provide exceptional stability for trains traveling at high speeds.
- Heavy-haul railways: Suitable for handling the immense loads in heavy-haul applications.
- Urban rail transit: Applied in light rail and tram systems, where quick installation and maintenance are crucial.
- Ballasted and slab tracks: The systems can be used on both ballasted and slab track types.
Other functions
- Load distribution: The system is engineered to withstand and uniformly distribute the various forces generated by train operation (vertical, horizontal, and longitudinal).
- Enabling thermal expansion: The system's elasticity allows for necessary expansion and contraction of the rails due to temperature changes.
- Modular flexibility: Some modern fast clip systems are designed to be modular, allowing for adjustments and flexibility in different installation scenarios.
Comparison of Fast Rail Clip with other Rail Clips
| Comparison Items | Fast clip | Other clips |
| Structural Design - Installation Method | Installed by inserting perpendicular to the rail | For example, Clip Type III may be inserted from the side |
| Structural Design - Component Parts | Composed of clips (with insulating caps), insulating gauge blocks, rubber pads and embedded iron bases, etc. The components fit closely and have unique electrical insulation functions | The components may be relatively simple or have different functions |
| Performance Parameters - Clamping Force | The clamping force of fc1504 is (10 ± 1.0) kN, and that of fc1306 is 3 kN | The clamping force of Clip Type I is relatively small, while that of Clip Type II and III is relatively large |
| Performance Parameters - Spring Travel | The spring travel of fc1504 clip is not less than 10 mm, and that of fc1306 clip is not less than 7 mm | The spring travel of each model is different. For example, the spring travel of Clip Type III is different from that of Fast clip |
| Application Range - Track Type | Commonly used in ballasted tracks and widely applied in some high-level railway lines abroad | Applicable to various tracks such as ballasted, ballastless and subway tracks according to their performance |
| Application Range - Train Speed | Suitable for high-speed trains | Some clips are more suitable for medium and low-speed railways |
| Maintenance and Adjustment - Gauge Adjustment | Achieved by replacing different specifications of insulating gauge blocks, with a range from -8 mm to +4 mm | For example, by moving tie plates, adjusting shims, etc., which is different from Fast clip |
| Maintenance and Adjustment - Replacement and Maintenance | With a complex structure, it may be necessary to use special tools to retract the clip to a specific position for operation | Some clips can be directly disassembled and installed without special tools |
GNEE RAIL offers a diverse range of products and services, including OEM and OBM rail fastening systems for conventional, high-speed, heavy-haul, and metro applications. Its portfolio includes rail clips, pads, tie plates, bolts, and other specialized components. Comprehensive laboratory facilities ensure all products meet rigorous standards, including EN 13146, EN 13481 internationally, and TB standards domestically in China.
