Fast Rail System SKL Clips

Fast Rail System SKL Clips

Railway Clip is used to fasten the rails to the underlying base plate together with the concrete sleeper. A variety of different types of heavy-duty clips are used to fasten the rails to the underlying baseplate or Sleeper, one common being the E Clip, which is shaped like a stubby paperclip. Another one is the SKL Tension Clamp, which is also the most widely used type all over the world. Others like KPO Clamp and Nabla Clip, also used in different situations.
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Description
Technical Parameters

High-Frequency Vibration Adaptation & Resonance Suppression

Model No. Resonance Frequency Avoidance Range (Hz) Vibration Damping Coefficient (ζ, %) Dynamic Stiffness Adjustment Range (kN/mm) Anti-Resonance Structural Design Vibration Fatigue Resistance (Cycles) Applicable Vibration Intensity (g) Matching Vibration-Isolation Rail Pad Core Vibration Adaptation Advantage
SKL-VIB12 50-150 8-12 25-30 Optimized shank elasticity ≥2,800,000 5-8 EVA Standard Pad Balanced damping for regional line vibrations
SKL-VIB14 80-200 12-16 28-33 Tuned mass damper integration ≥3,500,000 7-10 Rubber Heavy-Duty Pad Resonance suppression for heavy-haul freight vibration
SKL-VIB21 100-250 16-20 22-27 Flexible clip curvature + damping layer ≥4,200,000 10-15 Silicone High-Speed Pad Extreme vibration resistance for EMU high-frequency loads
SKL-VIB15 60-180 10-14 30-35 Stress-relief grooves + elastic alloy ≥3,200,000 6-9 Composite Anti-Vibration Pad Stable performance for urban rail frequent stop-start vibration
SKL-VIB3 40-120 6-10 26-31 Standard elastic structure + anti-slip design ≥2,500,000 4-7 EPDM Economic Pad Cost-effective damping for branch line low-intensity vibration

Fast Rail System SKL Clips

Multi-Standard Interface Compatibility & Interchangeability

Model No. Compatible International Standards Interface Dimension Tolerance (mm) Interchangeable with Competitor Models Fastener System Swap Adaptability Installation Hole Compatibility (mm) Gauge Block Matching Range (mm) Interchangeability Validation Test Core Compatibility Advantage
SKL-COM12 UIC 864-1, DIN 17221 ±0.15 Vossloh 300, Pandrol DRS Direct swap (no adapter needed) 24-26 10-14 10,000-cycle interchange test Universal compatibility for European standard lines
SKL-COM14 AREMA, ASTM A1011 ±0.12 Nord-Lock, Fastenal Heavy-Haul Series Adapter-assisted swap 25-27 12-16 Load-bearing interchange validation High interchangeability for North American freight lines
SKL-COM21 EN 13481-2, CRCC ±0.08 CRH High-Speed Series, Bombardier Zefiro Precision direct swap 23-25 11-13 High-speed dynamic interchange test Seamless swap for high-speed rail ballastless systems
SKL-COM15 ISO 683-1, JIS E 1107 ±0.10 Kawasaki Urban Rail Clips, Sumitomo Standard Series Universal swap (adapter optional) 24-26 13-15 Cross-standard interchange durability test Multi-region compatibility for cross-border rail projects
SKL-COM3 NF F 500-50, BS 970 ±0.18 British Rail Standard Clips, Alstom Regional Series Basic direct swap 25-28 12-15 Static interchange validation test Economical compatibility for regional mixed-standard lines

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Fast Rail System SKL ClipsFast Rail System SKL Clips

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