Product Description
The SKL21 rail clips we provide are made of high-quality spring steel, such as 60Si2CrA, 38Si7 and other materials. After heat treatment, they have high strength and hardness, can withstand the huge pressure and vibration during train operation, and ensure long-term reliability. In addition, after strict production process and quality control, the dimensional accuracy of the spring clips is guaranteed, so that they can work closely with other fastener components to ensure the overall performance of the rail fastener system.
SKL series rail tension clamps are widely used for laying reinforced concrete sleepers with a diameter of 13-15 mm. Other SKL series spring clips we can provide include SKL 1, SKL 2, SKL 3, SKL 12, SKL 14, SKL 24, SKL 28, SKL 30, etc.
Technical Parameters Of SKL21 Rail Clips
| Part name | SKL21 tension clamp |
| Diameter | φ13 |
| Anti-theft performance | ≥ 9 kN |
| Clamping force | 10.0 kN (per terminal) |
| Fatigue test | When the clip spring deflection reaches 9.1mm and the swing deflection is 1.42mm, the fatigue life will be 5 millions cycles without breaking. |
| Resistance to repeated deformations | In the range of 2.5mm |
| Standard | DIN17221, GB/T1222 |
SKL21 Railway Fastening System
Gnee not only provides SKL21 spring clips, but also supplies the matching fastener system – SKL21 fastener system at the most favorable price. SKL21 fastener system usually consists of SKL21 spring clips, sleeper bolts, pads, insulating gauge blocks and other components.
Application of Gnee SKL21 Fastener System
- Railway trunk lines: On ordinary railway trunk lines, SKL21 fastener system can meet the requirements of normal train operation, provide reliable rail fixation and good elastic support, and ensure the safety and efficiency of railway transportation.
- Heavy-load railway: For heavy-load railways, the high buckle pressure and good elastic performance of SKL21 fastener system can effectively resist the huge impact force of heavy-load trains on the track, reduce the wear and fatigue damage of track components, and extend the service life of the track.
- Urban rail transit: In urban subway, light rail and other rail transit lines, the shock-absorbing and noise-reducing performance of the SKL21 fastener system can effectively reduce the vibration and noise generated during train operation and improve passenger comfort. At the same time, its insulation performance can also meet the requirements of urban rail transit for track circuits.
Choose Gnee SKL Series Rail Clips
Qualifications and Systems
- Gnee has always regarded “quality certainty” as the lifeline of the company. In the development of railway equipment, we deeply implement the ISO9001-2015 international quality management standard and have officially obtained a railway product manufacturing license.
Strict Quality Control
To ensure that every fastener delivered to our customers meets contractual requirements, Gnee has established a three-pronged quality assurance system:
- Supplier Traceability System: A strict entry mechanism is implemented. All raw materials must be accompanied by chemical composition and mechanical performance reports and undergo sampling verification by our laboratory. Those that do not meet the standards are resolutely rejected.
- Standardized Production Process: We possess advanced production lines for automated casting, rolling, and spring clip forming. From physical performance testing to salt spray corrosion testing, data is monitored in real time to ensure consistent quality.
Multi-Standard Compatible Manufacturing Capabilities
- Due to our deep understanding of multiple international standards such as ASTM, DIN, BS, and JIS, Gnee Rails products are capable of operating in the global railway market. We regularly undergo inspections by internationally recognized testing organizations such as SGS, BV, and ABS to ensure that every order accurately meets local route requirements.
Three-Year Warranty Commitment
- We promise to provide a three-year quality guarantee. If any non-human-caused manufacturing defects occur within the warranty period, we promise to complete the return or exchange within 60 days of receiving notification, completely eliminating any concerns for our customers.
