Mechanical Fast Clips

Mechanical Fast 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

Rail Fast Clip Fastening System

Fasteners For Rail Fast Clip

The Railway Fast Clip is a low-profile elastic fastener engineered for rapid deployment in ballastless track systems. Manufactured from high-carbon spring steel, its unique snap-in design eliminates rotational installation entirely. This clip provides secure rail retention while accommodating thermal expansion and dynamic loading. Its innovative mechanism significantly reduces installation time compared to traditional fasteners.

Technical Specifications:

Parameter Specification
Product Name Railway Fast Clip – Snap-In Elastic Fastener
Steel Grade 60Si2CrVA / 51CrV4 / Spring steel
Heat Treatment Through-hardened with tempering
Finish Type Geomet 321 / Zinc flake / Black oxide
Installed Height 30 – 38 mm above rail foot
Clip Mass 0.35 – 0.55 kg per piece
Retention Force 7 – 12 kN clamping load
Elastic Rail Clamp

Installation & Maintenance Perspective:

  • Engages with shoulder using straight downward pressing motion only.
  • Locks securely without rotation eliminating orientation errors.
  • Releases using simple pry tool without rotation or twisting.
  • Provides audible click confirming correct installation seating.
  • Resists accidental dislodging from track vibration or impacts.

 

Maintenance & Operational Perspective

  • Extends minimal height above rail base for tunnel clearance.
  • Reduces aerodynamic drag on high-speed rolling stock.
  • Eliminates snagging risk for track maintenance equipment.
  • Enables shallower sleeper depth reducing concrete usage.
  • Facilitates installation beneath overhead wire restrictions.
Railroad Railway Steel Rails SKL Clips
Gnee Professional supplier

 

 

 

 

 

 

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