Description
Technical Parameters
Railway E Clips - Specifications by Application Scenarios
| Application Scenario | Model | Compatible Fastener System | Key Dimensions (mm) | Material Grade | Surface Treatment | Operating Temperature Range | Theoretical Weight (g/pc) |
|---|---|---|---|---|---|---|---|
| Urban Metro (Subway) | E17 | SKL15 | Height: 17; Width: 39; Leg Spacing: 28 | 60Si2MnA | Hot-dip galvanizing + passivation | -30℃ ~ 60℃ | 140 |
| Heavy-Haul Freight Railway | E23 | KPO | Height: 23; Width: 46; Leg Spacing: 32 | 55SiMnMo | Zinc-aluminum coating (10–12μm) | -40℃ ~ 70℃ | 225 |
| High-Speed Railway (≥250km/h) | E21 | WJ-8 | Height: 21; Width: 44; Leg Spacing: 30 | 65Si2MnWA | Ceramic coating (50–60μm) | -25℃ ~ 80℃ | 195 |
| Mining Railway | E19 | DZ-II | Height: 19; Width: 41; Leg Spacing: 29 | 45MnSiV | Black oxide + oiling | -35℃ ~ 65℃ | 165 |
| Light Rail (Tram) | E15 | LRS | Height: 15; Width: 37; Leg Spacing: 27 | 50CrVA | Electroplated zinc (8–10μm) | -20℃ ~ 55℃ | 120 |
Railway E Clips - Compatibility with Matching Components
| E Clip Model | Matching Rail Pad (Material/Thickness) | Matching Rail Spike (Type/Spec) | Matching Tie Plate (Size/mm) | Installation Tool | Required Preload Force | Compatibility Check Point |
|---|---|---|---|---|---|---|
| E17 | EPDM rubber / 8mm | Screw spike / M24×150 | 280×150×16 | Torque wrench (30–50N·m) | 400–500N | E clip leg fits spike groove (gap ≤0.5mm) |
| E23 | High-density polyethylene / 10mm | Bolt spike / M27×180 | 300×160×18 | Pneumatic wrench (50–70N·m) | 600–700N | Tie plate hole aligns with E clip leg (offset ≤1mm) |
| E21 | Silicone rubber / 6mm | Elastic rail clip bolt / M24×160 | 290×155×17 | Digital torque wrench (45–65N·m) | 550–650N | Rail pad compression rate (10%–15%) |
| E19 | Nylon / 12mm | Square head spike / 22×160 | 320×170×20 | Manual wrench (35–55N·m) | 450–550N | E clip top contacts rail base (no gap) |
| E15 | Rubber-plastic composite / 7mm | Countersunk screw spike / M20×140 | 260×140×15 | Electric wrench (25–45N·m) | 350–450N | Spike thread matches E clip hole (no slip) |
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