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Product Introduction
Railway fastener systems are key technical equipment to ensure the stable connection between rails and sleepers. They can be divided into ordinary, reinforced and special types according to performance requirements.
Ordinary types such as SKL3 fasteners are suitable for general trunk railways and can meet the load requirements of conventional trains; special types such as Nabla coastal fasteners are made of stainless steel and special anti-corrosion coatings, which can resist salt spray erosion and are suitable for cross-sea bridges and coastal railways. The spring bars, bolts and other components of these systems are mostly made of high-strength steel, which is heat-treated to improve strength and toughness; the pads are made of rubber or engineering plastics to achieve buffering and insulation functions. They effectively enhance the stability of the track structure, reduce component wear, extend the service life of the track, and ensure the safety of railway transportation.
Fastener system components
SKL fastening system
Composition: Generally composed of SKL spring bars, spiral spikes, flat washers, plastic sleeves, guide plates and rail pads.
Nabla fastening system
Composition: Contains Nabla spring pieces, insulators, double-headed spiral spikes, special spring washers, hexagonal nuts and flat washers.
Product Application
SKL fastening system: Usually used for concrete sleeper lines.
Nabla fastening system: Used on the French TGV high-speed line, the elastic support block ballastless track in the English Channel Tunnel also uses this system, and is widely used in Europe, Africa and South America.
As a professional international trader of railway standard parts, GNEE RAIL is committed to providing high-quality procurement services to global customers. We maintain stable cooperation with high-quality manufacturers at home and abroad to ensure timely supply. We have established a strict quality control system, and all products have passed third-party testing and certification. Equipped with a multilingual customer service team, we provide 24-hour online consultation.
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