Rail Shoulder Fastening System
A precision-engineered lateral restraint system designed to provide secure gauge holding and dynamic stability for rails on concrete, steel, or composite sleepers. Essential for maintaining track geometry under high axial loads and vibration.
Technical Specifications:
| Component | Material | Standard / Grade | Dimensions (mm) | Surface Treatment |
|---|---|---|---|---|
| Shoulder Block | Ductile Iron GGG-50 / S355J2 Steel | EN 1563 / EN 10025-2 | 180L × 110W × 75H (±1.5) | Hot-dip Galvanized / Epoxy Coating |
| Locking Bolt | 8.8 / 10.9 Grade Steel | ISO 898-1 | M20 × 120 / M24 × 140 | Dacromet Coating |
| Insulation Insert | PA66-GF30 / POM | EN 45545-2 | Custom per Shoulder | UV & Chemical Resistant |
| Lateral Pad | EPDM / PUR Elastomer | EN 14889 | Thickness: 6‑12 | Anti-aging Compound |
Key Features
High Lateral Stiffness: Effectively resists rail creep and transverse displacement.
Modular Design: Compatible with major clip systems (SKL, Nabla, Pandrol, etc.).
Insulation Option: Nylon sleeve available for electrified track sections.
Easy Installation & Adjustment: Pre-assembled units with slotted bolt holes for fine-tuning.
Applications:
- High-speed railway tracks
- Heavy-haul and mining lines
- Urban transit (metro, LRT)
- Bridge, tunnel, and turnout zones
- Ballastless track systems
- Retrofitting and maintenance projects
Gnee Professional supplier
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