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Product Introduction
The SKL14 spring clip rail fastening system is a high-performance elastic fastener system for railway tracks. Its main function is to provide stable fastening pressure through the elastic deformation of the spring clip to firmly fix the rail to the sleeper or track plate. The system uses specially designed SKL14 spring clips, combined with components such as gauge blocks, bolts and pads, to ensure that the rails maintain precise geometric positions when subjected to dynamic train loads, while allowing for slight displacements caused by temperature changes. Its compact structure and stable fastening pressure can effectively reduce track vibration and noise, and improve track durability and operational safety. The SKL14 system is suitable for high-standard lines such as high-speed railways and urban rail transit. It is easy to install, requires little maintenance, and has strong adaptability. It is one of the important fastening technologies in modern track engineering.
Product Specifications
| Specifications for ONE unit of SKL Clip rail fastening system | ||||
| Item | Quantity | Type | Material | Remark |
| SKL tension clip | 2 | skl1, skl3, skl12, skl14 | 60Si2CrA, 60Si2CrA, 38Si7 | Hardness: 42-47HRC |
| Standard: DIN17221, GB/T1222 | ||||
| Ss35 screw spike | 2 | M24×150mm | Grade 4.6: Q235 | Standard: ISO898-1 |
| Grade 5.6: 35# | UIC864-1 | |||
| Grade 8.8: 45# | NF F500-50 | |||
| Flat washer | 2 | Uls7 | Q235 | Standard: EN10025, EN10139 |
| Plastic dowel | 2 | For different sizes of screw spike | HDPE, Reinforced Nylon 66 (PA66) | For insert into concrete sleeper |
| Guide plate | 2 | UIC54, UIC60, 50kg rail, 60kg rail, | Reinforced Nylon 66 (PA66) | Different designs are available |
| and other sizes as ordered | ||||
| Rail pad | 1 | Size as ordered | EVA, or rubber | |
Product Application
Features and Advantages
High stability: It can maintain ultra-high stability in high-frequency vibration environments. For example, in scenarios such as high-speed railways where track stability is extremely high, it can effectively ensure the position accuracy of the rails and ensure the safety of trains.
Good anti-fatigue performance: The spring clips are specially designed and heat-treated to withstand millions of fatigue cycles without breaking. For example, the SKL14 spring clip can withstand 5 million cycles without breaking, which greatly extends the service life of the fastener system and reduces maintenance costs.
Anti-theft and anti-natural weathering: Its special installation method can effectively avoid track safety hazards caused by theft or natural weathering, and improve the safety and reliability of the track system.
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