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W-14 Railway Fastening System Vibration Resistance for Concrete Sleepers and Rail Track

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W-14 Railway Fastening System Vibration Resistance for Concrete Sleepers and Rail Track
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Features
Specifications
Max Speed: 250km/h
Electrical Insulation Resistance: ≥5 KΩ
Gauge Adjustment: ±10 Mm
Rail Pad Stiffness: Standard: 80‑120 KN/mm; High‑Elastic: 40‑60 KN/mm
Height Adjustment: ±20 Mm (with Height‑adjusting Plates)
Clamping Force: ≥8 KN
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W-14 railway fastening system

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Heavy Duty railway fastening system

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railway fastening system for tracks
Basic Infomation
Place of Origin: China
Brand Name: Sudelan
Certification: ISO9001
Model Number: W14
Payment & Shipping Terms
Packaging Details: Woven Bags+Pallets/Cases
Delivery Time: 30-50 days
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 10000Sets/Day
Product Description
W-14 Railway Fastening System
As the world's most popular fastening solution for ballasted tracks, the W14 Rail Fastening System has been trusted by rail operators in more than 60 countries since its launch in the 1980s. With over a quarter of a billion fastening points installed globally, it has proven its reliability and durability in conventional rail, high-speed lines, and heavy-haul transportation scenarios, even on complex substructures.
Designed to meet the strict requirements of EN 13481-2 standards (Category C and D), the W14 system delivers exceptional performance with optimized flexibility and structural stability. Its core advantage lies in the versatile configuration options, which can be tailored to different operational needs—whether it's high-speed trains racing at up to 250 km/h, conventional rail with stable operation, or heavy-haul trains carrying axle loads of up to 35 tons.
Core Features & Technical Advantages
  • Superior Flexibility & Safety: The innovative mid-loop design of the SKL14 tension clip (mounted over the rail foot) eliminates the risk of clip arm overloading and plastic deformation, while effectively preventing rail rotation. With a continuous clamping force of 8kN (standard) and 9kN (heavy-haul), it ensures reliable rail fixation and excellent longitudinal resistance (≥9kN), effectively preventing rail creep even under frequent acceleration and braking.
  • Broad Application Adaptability: Compatible with concrete sleepers on ballasted tracks, the system supports mainstream rail profiles including UIC54, UIC60, 50kg/m, and 60kg/m. It offers ±10mm gauge adjustment and optional ±20mm height adjustment (with height-adjusting plates), perfectly adapting to various track alignment requirements.
  • Durable & Low-Maintenance: The tension clip is made of high-quality 60Si2MnA spring steel (hardness 44-48HRC after heat treatment), paired with wear-resistant TPU/EVA rail pads. The system boasts a maintenance-free service life of up to 10 years for conventional and high-speed scenarios, and 8 years for heavy-haul applications, significantly reducing lifecycle costs for rail operators.
  • Stable Performance & Compliance: With an electrical insulation resistance of ≥5kΩ, it fully meets track circuit requirements. Optional rail pads (40-60kN/mm high-elastic for high-speed, 100-150kN/mm wear-resistant for heavy-haul) effectively absorb impact vibrations, enhancing ride comfort and protecting the track bed. All components can be pre-assembled in sleeper factories, simplifying on-site installation and shortening construction cycles.
Application Scenarios
Engineered for versatility, the W14 fastening system delivers tailored performance in three core rail scenarios, meeting the unique needs of each application:
  1. High-Speed Rail: Optimized for speeds up to 250 km/h (axle load ≤26 tons, curve radius ≥400m), it is equipped with high-elastic rail pads to minimize noise and vibration, ensuring smooth, safe, and stable high-speed operation.
  2. Conventional Rail: Ideal for daily passenger and freight transport (speed ≤250 km/h, axle load ≤26 tons, curve radius ≥150m), its robust structure and easy adjustment make it a cost-effective solution for general rail networks.
  3. Heavy-Haul Rail (W14HH Configuration): Specifically designed for heavy-duty transport (axle load up to 35 tons/350kN, speed ≤160 km/h), it features enhanced clip clamping force, heavy-duty rail pads, and additional protective components to withstand massive loads and prevent track damage—even in harsh environments like deserts.
Why Choose the W14 Fastening System?
For decades, the W14 system has been a benchmark in rail fastening technology, renowned for its unbeatable combination of quality, flexibility, and cost-effectiveness. It not only guarantees operational safety and ride comfort but also maximizes track lifecycle and minimizes maintenance costs—making it the preferred choice for rail planners, contractors, and operators worldwide.
Whether you're building a new rail line or upgrading an existing one, the W14 fastening system delivers consistent, reliable performance that meets the most demanding industry standards.
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