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Product Introduction
The railway fastener system is a track fixing device composed of sleeper fasteners, pads, connecting bolts, gauge baffles and other components. It can be divided into ballasted track and ballastless track special fastener systems according to different track foundation types. The ballasted track special system achieves stable fixation of the rails by cooperating with the ballast, and has a certain elasticity and drainage capacity; the ballastless track special system directly fixes the rails on the concrete ballast plate, relying on high-precision installation and stable structure to meet the strict requirements of high-speed railways for track smoothness and stability.
The NABLA fastening system is a widely used, safe and reliable rail connection system. It can be found in various rail scenarios such as trams, light rail transit (LRT), subways, trunk railways and high-speed railways. One of the most notable features of the system is its special shape of spring. When the nut is tightened, this unique shape of spring will generate a dynamic and stable buckling pressure on the track to ensure the stability of the track.
Guided by practical applications, the Nabla railway fastener system plays an important role in railway track engineering. The Nabla spring clips in the system firmly fix the rails to the sleepers or the foundation under the rails through precise buckling; the insulators isolate the current and prevent the corrosion of the track structure by stray current; high-strength bolts, nuts and washers provide reliable mechanical connections.
Product Specifications
| Items | Specification | |
| 1 | Fastening system | Nabla Rail fastening system |
| 2 | Rail type(kg/m) | 50 |
| 3 | Track Gauge(m) | 1435m |
| 4 | Axle Load(Ton) | 12.5-23 |
| 5 | Running speed(km/h) | ≤120 |
| 6 | Clamping Force(kN) | ≥20 |
| 7 | Pull out Force(kN) | ≥60 |
Product Application
Whether in the daily maintenance of ballasted tracks or in the new construction of ballastless tracks, the system can be optimized according to the characteristics of the track, effectively resisting the longitudinal force, lateral force and vertical force generated by the train operation, ensuring the long-term stable operation of the track and reducing the cost of railway operation and maintenance.
The NABLA system plays an important role in urban tram tracks. Urban trams run frequently and mostly in densely populated areas, which places extremely high demands on track stability and safety. The NABLA system can effectively maintain the track gauge, resist various forces during the tram's operation, ensure the smooth operation of the tram, reduce operating failures caused by track problems, and provide passengers with a safe and comfortable travel experience.
As a professional international trader of railway standard parts, GNEE RAIL has a complete global supply chain network. Its products cover all kinds of rail fasteners, and all products meet international standards. It has established a strict quality control system and is equipped with professional testing equipment and personnel.
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