What Types of Rail Clips Are Commonly Used?

A rail clip is a resilient fastening device that ensures rails are held securely in place while transmitting wheel loads safely and maintaining track geometry. Its elastic properties reduce vibration, creep, and impact forces on the track structure. GNEE RAIL provides a complete range of rail clips including SKL series, Nabla clips, Fast Clip, E-type clips, PR clips, and heavy-duty crane rail clips, for GB, UIC, DIN536, QU rails, JIS, AS1085, BS11, and AREMA/ASCE standards, with added services for cutting, assembly, and installation support.

What Types of Rail Clips Are Commonly Used?

Commonly used rail clips, designed to fasten rails to sleepers and prevent movement, include elastic types like E-type (E1609-E2055), SKL (SKL1, SKL3, SKL12, SKL14, SKL75), and Nabla clips. These forged spring steel components are essential for maintaining rail gauge and absorbing vibration. Other frequent types include:

• Pandrol Clips (PR Series): Known for high clamping force in heavy-haul and general railway applications.

• KPO Clips: Robust clamps for heavy-duty, high-speed, or industrial tracks.

• Crane Rail Clips (Bolted/Welded): Specialized, durable clips used for fixing crane rails in ports and factories.

• Deenik Clips: Often utilized in tramways and light rail systems for secure, adjustable fastening.

• W-type Elastic Clips: Common in Chinese railway fastening systems.

What are the differences between different types of rail clips?

Rail clips (elastic clips, SKL, E-type, PR-type) are fasteners made of high-strength, forged spring steel designed to hold rails securely to sleepers while providing necessary flexibility to handle heavy loads, vibration, and thermal expansion. Differences lie in shape, clamping force, and application (e.g., E-types for high-speed, SKL for heavy-haul, crane clips for industrial use).

• E-Type Rail Clip: Commonly used in E1-E3, E1609, and E2001 series, ranging in diameter from 18mm to 23mm, and provide positive rail alignment for high-speed and heavy freight.

• SKL-Type (HM-Type): Widely used in German rail fastening systems, these clips are known for high fatigue life and excellent fastening on concrete sleepers.

• PR-Type Rail Clip: A robust type of elastic clip often used in areas requiring significant rail fastening, such as in North America and India.

• Deenik Clip: Specifically designed for use with concrete sleepers, frequently utilized in South America.

• Crane Rail Clip: Specialized clips (such as WJK, SWJK, HWJK series) designed for crane rails, often used with base plates and focusing on superior stability.

What is the function of a rail elastic clip?

A rail elastic clip is a crucial, high-strength forged spring steel fastener used to secure rails to sleepers (ties). Its primary functions are to provide a constant clamping force (toe load), maintain track gauge, and absorb vibration, thereby preventing rail movement, buckling, or shifting. It enhances safety by ensuring structural stability and reducing maintenance needs.

Key Functions and Benefits:

• Securing and Fastening: Elastic clips, such as Pandrol clips or SKL clips, fasten the rail to the sleeper, maintaining the proper rail seat clamping force.

• Preventing Movement: They prevent longitudinal and lateral rail movement, which helps keep the rail from warping, bending, or shifting.

• Maintaining Gauge: By securely holding the rails in place, they ensure the track gauge (distance between rails) remains consistent.

• Damping Vibration: The elasticity of the clips helps absorb shocks and vibrations generated by passing trains, which reduces wear and tear on track components and improves passenger comfort.

• Low Maintenance: These are often considered "fit and forget" fasteners, requiring minimal maintenance after installation.

• Safety Improvement: They reduce the risk of rail buckling and train derailments.

GNEE RAIL as the largest rail clip and clamp production base in China, which has been qualified to tender medium and large scaled railway projects. In addition, GNEE RAIL is approved elastic rail clip manufacturer by China's Railway Ministry and has been ISO9001-2008 certified. Our rail clip product is ideal for rail track assembly for advantages of easy fitment while track laying; economical maintenance; long durability and lifespan; fast replacement.

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