Railway Track E Clips

Railway Track E 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

Advantages of Railway E Clips

The table below outlines the key characteristics and advantages of the E Clip.

Feature / Advantage Description
Name & Type E Clip (due to its resemblance to the capital letter "E"), also known as SKL 3 Clip or E-Type Clip. It is an elastic rail fastening clip.
Primary Function To clamp the rail foot securely to the baseplate or sleeper, providing longitudinal and lateral restraint.
Key Feature Three-Point Contact Design: The clip exerts pressure at three critical points-two on the shoulder of the baseplate and one on the rail foot-ensuring a stable and secure grip.
High Elastic Holding Force Designed to provide a very high initial toe load (clamping force), which remains consistent over time, ensuring excellent track stability.
Excellent Vibration Damping Effectively absorbs dynamic forces and vibrations from passing trains, reducing noise and preventing track component loosening.

Railway Track E Clips

Comparison with Other Common Clips

Feature E Clip (SKL 3) Nabla Clip (FAST Clip) SKL 1 / SKL 2 Clip
Visual Shape Resembles the letter "E". Three-point contact design. Inverted "V" or Nabla (∇) shape. Asymmetric "Z" or "S" shape.
Installation Force Applied vertically (downwards). The clip is pressed into place. Applied vertically (downwards). The clip is stretched over a shoulder. Applied laterally. The clip is twisted/rolled into a housing.
Clamping Force Very high initial toe load. High initial toe load. Progressive spring action with high fatigue resistance.
Typical System Often used with SB (System Bögl) or similar baseplates. Often used with FFS or Pandrol baseplate systems. Integrated into the sleeper's shoulder (e.g., Vossloh W-type).

 

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Railway Track E Clips

Railway Track E Clips

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