In the field of railway engineering, it is technically undesirable to mix fastener systems of different brands or models. Various fastener systems (such as Pandrol Fast Clip, Vossloh tension clamps, SKL spring clip system, UIC, AREMA, BS standard fasteners, etc.) are integrated systems designed around specific rail models, sleeper structures, gauges and installation geometries. Mixing without complete verification will pose major safety and compatibility risks. GNEE RAIL can provide a variety of models and standards of railway fasteners, and also supports customized railway fastener services. If you have special customized requirements, please contact us.
In addition, even different standards with similar rail sizes have slight geometric differences, such as rail head width, rail waist shape, slope and material tolerance. These micro differences, when used in combination with mismatched fastener systems, will result in insufficient clamping force of the spring clip, gauge deviation, rail shoulder interference or long-term clamping slack. GNEE RAIL can provide GB rails of various specifications, including heavy rails, light rails and crane rails.
| Classification | Height(mm) | Head (mm) | Bottom (mm) | Thick(mm) | Weight (kg/m) | |
| Light Rail | 8 KG/M | 65 | 25 | 54 | 7 | 8.42 |
| 9 KG/M | 63.5 | 32.1 | 63.5 | 5.9 | 8.94 | |
| 12 KG/M | 69.85 | 38.1 | 69.85 | 7.54 | 12.2 | |
| 15 KG/M | 79.37 | 42.86 | 79.37 | 8.33 | 15.2 | |
| 18 KG/M | 80 | 40 | 80 | 10 | 18.06 | |
| 22 KG/M | 93.66 | 50.8 | 93.66 | 10.72 | 22.3 | |
| 24 KG/M | 107 | 51 | 90 | 10.9 | 24.46 | |
| 30 KG/M | 107.95 | 60.33 | 107.95 | 12.3 | 30.1 | |
| Heavy Rail | 38 KG/M | 134 | 68 | 114 | 13 | 38.733 |
| 43 KG/M | 140 | 70 | 114 | 14.5 | 44.653 | |
| 45 KG/M | 145 | 67 | 126 | 14.5 | 45.546 | |
| 50 KG/M | 152 | 70 | 132 | 15.5 | 51.514 | |
| 60 KG/M | 176 | 73 | 150 | 16.5 | 60.64 | |
| Crance Rail | QU 70 | 120 | 70 | 120 | 28 | 52.8 |
| QU 80 | 130 | 80 | 130 | 32 | 63.69 | |
| QU 100 | 150 | 100 | 150 | 38 | 88.96 | |
| QU 120 | 170 | 120 | 170 | 44 | 118.1 | |
In some high-end track designs, such as the Common Interface System launched by Pandrol, it aims to provide a unified interface so that different Pandrol spring clip types can be quickly replaced or tuned to meet the requirements of different ballastless tracks for noise, vibration, and anti-tracking force. However, the system is still strictly limited to Pandrol's own product ecosystem, and its compatibility is supported by system-level design and experimental verification, which does not mean that any brand or system can be mixed and matched.
From the perspective of material behavior and system consistency, there are strict mechanical matching requirements between the spring clips, rail pads, splints, bolts and other components of the fastener system. Differences in elastic stiffness, clamping threshold, fatigue life and temperature adaptability between different designs are likely to cause early performance failure or stress concentration in the system. In addition, the mechanical behavior of the fastener system has a significant impact on the overall structural performance. Any degradation or mismatch of any component will change the overall stress state of the system, thereby affecting life and safety.
GNEE RAIL always insists on providing customers with a complete set of fastener systems rather than a combination of single components. All our products (including Type I, Type II, Type III / Fast Clip, SKL Clip, E‑clip System, KPO System, Nabla System, Bolts, Spikes, Rail Pads, Crane Clips, etc.) are designed and tested as a whole set to work together to meet the requirements of multiple international standards such as AREMA, UIC, EN, BS, JIS, DIN, AS, etc.
If you need to replace the system or upgrade the model, GNEE RAIL can provide a full set of compatibility assessment services, including mechanical simulation testing, fatigue performance verification and on-site compatibility confirmation, please contact us.