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Rail Clip And Railway Rail Fasteners

Railway spring clips, also known as elastic rail clips, are an important part of railway fastening systems. They are usually made of spring steel and are used to fix the rails to the sleepers, and are used in conjunction with other components such as spikes, elastic pads, etc. Spring clips are available in a variety of models, such as PR85, PR309, PR401, PR415, PR601, etc., with various surface treatments, including natural color, blackening, hot-dip galvanizing, baking varnish, etc., and can be customized according to customer needs.

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Description

Technical Parameters

Primary Functions

Rail fixation: Secures rails to sleepers/plates
Gauge retention: Maintains 1435mm track gauge (±1mm tolerance)
Vibration damping: Absorbs wheel-rail impacts (15-25dB reduction)
Thermal adaptation: Allows ±5mm longitudinal rail movement

Rail Clip

Major Types Comparison

Type	Standard	Key Features	Model Example
SKL Clip	UIC 865	Twin-leg symmetric, 5M cycle fatigue life	SKL-15
Pandrol e-Clip	EN 13481	Single-leg asymmetric, maintenance-free	e2000
Nabla Clip	NF F52-215	Geometric locking, anti-creep	NF-12
W-type Clip	TB/T 3395	Triple-support, cost-effective	W1
FC Damped Clip	Q/CR 749	Rubber composite layer (15dB damping)	FC-08