Which type of Rail Clip is the most durable?
The most durable type of rail clip is a spring steel elastic clip like the Pandrol e-Clip or SKL type, known for their strength, fatigue resistance, and ability to withstand harsh conditions like high speeds and heavy traffic. The e-Clip, for example, is specifically engineered from high-quality spring steel for both strength and durability, providing permanent elastic clamping.
Durable rail clip types
Spring steel elastic clips: These are widely considered the most durable option, featuring a combination of strength and elasticity.
- E-type clips: Proven to perform well in the toughest conditions, these clips are made of spring steel and are designed for both wood and concrete sleepers.
- SKL clips: These are known for their excellent fatigue resistance and stability, often used in high-speed and urban rail systems.
| Model | Diameter | Weight |
| Type III | Ø18 | 0.80kg/pc |
| E1609 | Ø16 | 0.43 kg/pc |
| E1809 | Ø20 | 0.61kg/pc |
| E1813 | Ø18 | 0.62kg/pc |
| E2001 | Ø20 | 0.80kg/pc |
| E2007 | Ø20 | 0.80kg/pc |
| E2009 | Ø20 | 0.80kg/pc |
| E2039 | Ø20 | 0.80kg/pc |
| E2055 | Ø20 | 0.80kg/pc |
| E2056 | Ø20 | 0.80kg/pc |
| E2063 | Ø20 | 0.80kg/pc |
| PR85 Rail Clip | Ø13 | 0.25kg/pc |
| PR309A | Ø19 | 0.85kg/pc |
| PR401 | Ø20 | 0.97kg/pc |
| PR415 | Ø20 | 0.95kg/pc |
| PR601A | Ø20 | 1.03kg/pc |
| SKL 1 | Ø13 | 0.48kg/pc |
| SKL 3 | Ø13 | 0.48kg/pc |
| SKL 12 | Ø13 | 0.53kg/pc |
| SKL 14 | Ø13 | 0.53kg/pc |
| Special Rail Clip | Ø13 | 0.48kg/pc |
| Russia Rail Clip | Ø18 | 0.58kg/pc |
| Deenik Clip | Ø25 | 0.49-0.68kg/pc |
| Single Anti- | Ø20 | 0.25kg/pc |
| Theft |
Key features contributing to durability:
- High-quality spring steel: This material is optimized for strength and durability, and can withstand dynamic loads over a long period.
- Fatigue resistance: High fatigue life is a critical factor, as shown by some e-clips that can withstand millions of cycles without breaking.
- Permanent elastic clamping: This ensures the fastening remains tight and secure, even under heavy traffic and vibration.
- Twisting resistance: This prevents the rail from twisting out of alignment, improving overall track stability and safety.
Factors to consider
- Specific application: The "best" clip depends on the specific needs of the railway line, such as speed, traffic volume, and environmental conditions.
- Maintenance: Proper installation and maintenance are crucial for maximizing a clip's lifespan and ensuring it reaches its full durability potential.
- Cost: While stainless steel clips offer excellent corrosion resistance, they can be more expensive and heavier than other types.
As an OEM & OBM manufacturer, GNEE RAIL is capable of not only producing a wide range of internationally common types of rail clips, such as W Tension Clamp, e-Clip, Fast-Clip, SKL Tension Clamp, Nabla Blade, etc., but also customizing products tailored to our customers' specific requirements.
