Fastening System Fast Rail SKL Clip

Fastening System Fast Rail SKL Clip

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

Precision Specifications & Material Performance

Model Wire Diameter (mm) Clamping Force (kN) Fatigue Life (Cycles) Unit Weight (kg/pc) Surface Treatment Dimensional Tolerance (mm) Compliance Standards
SKL 1 13 ± 0.10 9.5-11.0 ≥5,000,000 0.48 Zinc-plated ±0.2 DIN 17221, EN 13481-2
SKL 3 13 ± 0.10 9.5-11.0 ≥5,000,000 0.48 Hot-dip galvanized ±0.2 DIN 17221, BS 970
SKL 12 13 ± 0.10 8.0-12.0 ≥5,000,000 0.53 Dacromet ±0.2 AREMA, EN 13481-2
SKL 14 13 ± 0.10 ≥10.0 ≥5,000,000 0.508 Black oxide ±0.2 DIN 17221, GB/T 1222

Fastening System Fast Rail SKL Clip

Matching Components & Failure Control

Model Matching Base Plate Model Matching Rail Pad Material Key Fastener Accessories Failure Modes & Prevention Inspection Frequency Replacement Threshold (Clamping Force Loss) Emergency Repair Kit Contents Compatibility with Track Monitoring Systems
SKL 1 BP-UIC54 HDPE Anti-loosening washer, Gauge block Fatigue crack → Regular NDT 6 Months ≥20% 2 clips + 1 pad + 1 wrench Basic (position detection only)
SKL 3 BP-UIC60 Rubber-EVA Composite Locking pin, Corrosion inhibitor Corrosion → HDG coating check 4 Months ≥15% 2 clips + 2 pins + inhibitor Advanced (force + vibration monitoring)
SKL 12 BP-LightRail TPE Plastic insulator, Spacer Deformation → Dimensional check 8 Months ≥25% 2 clips + 2 insulators Basic (position detection only)
SKL 14 BP-Electrified Silicone-Rubber Conductive washer, Gauge bolt Loosening → Torque retest 5 Months ≥18% 2 clips + 1 washer + torque tool Intermediate (force monitoring)
SKL 15 BP-HeavyHaul High-Elastic Rubber Double locking pin, Wear sleeve Wear → Thickness check 3 Months ≥12% 2 clips + 2 sleeves + 2 pins Advanced (force + temperature + vibration)

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Fastening System Fast Rail SKL ClipFastening System Fast Rail SKL Clip

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