Physical Parameters and Matching Components of Railway SKL Clips
| SKL Clip Model | Diameter (mm) | Single Weight (kg/pc) | Material Grade | Surface Treatment | Matching Screw Spike Specification | Matching Rail Pad Material | Applicable Rail Type |
|---|---|---|---|---|---|---|---|
| SKL-1 | 13 | 0.48 | 60Si2CrA | Oxide black | M24×150mm | EVA | UIC 54, 50kg rail |
| SKL-3 | 13 | 0.48 | 60Si2CrA | Oiled plain | M24×150mm | Rubber | UIC 54, Urban rail |
| SKL-12 | 13 | 0.53 | 38Si7 | Color painting | M24×150mm | Composite rubber | UIC 60, 60kg rail |
| SKL-14 | 13 | 0.53 | 60Si2MnA | Oxide black | M24×150mm | EPDM | 50kg rail, 60kg rail |
| SKL-15 | 14 | 0.61 | 60Si2CrA | Customized coating | M24×160mm | Reinforced rubber | Ballastless track rail |
Track Adaptability and Installation & Maintenance Details
| SKL Clip Model | Adaptable Track Speed (km/h) | Axle Load Bearing Capacity (tons) | Installation Position | Key Installation Requirement | Maintenance Cycle | Failure Warning Signal | Compliance Standards |
|---|---|---|---|---|---|---|---|
| SKL-1 | ≤120 | ≤20 | Ordinary railway sleepers | Align with gauge baffle precisely | 12 months | Reduced buckle pressure | DIN 17221, GB/T 1222 |
| SKL-3 | ≤160 | ≤25 | Urban subway sleepers | Ensure double spring bar alignment | 8 months | Abnormal vibration noise | EN 10139, NF F 500-50 |
| SKL-12 | ≤350 | ≤30 | High-speed rail ballastless track plates | Millimeter-level pre-embedded positioning | 18 months | Clip deformation | UIC 864-1, EN 13481 |
| SKL-14 | ≤200 | ≤35 | Mixed passenger-freight railway sleepers | Adjust buckle pressure dynamically | 10 months | Screw spike loosening | ISO 898-1, EN 10025 |
| SKL-15 | ≤250 | ≤30 | High-speed rail turnout areas | Match embedded casing tightly | 15 months | Gap between clip and rail | DIN 17221, EN 13481 |
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