Description
Technical Parameters
Railway Rail Clamps: Product Technical Specifications
| Parameter | Standard Rail Clamp | Heavy-Duty Clamp | Insulated Clamp |
|---|---|---|---|
| Clamp Type | Single-bolt, J-hook design | Double-bolt, forged body | Nylon-insulated, single-bolt |
| Material | Q355B Steel | 40Cr Alloy Steel | Q235B + PA66 Insulator |
| Bolt Size | M24 × 120 mm (8.8 grade) | 2× M20 × 110 mm (10.9 grade) | M24 × 120 mm (8.8 grade) |
| Clamping Force | 25-30 kN | 45-50 kN | 20-25 kN |
| Surface Treatment | Hot-dip galvanized (≥70μm) | Zinc-nickel alloy plating | Phosphated + epoxy coat |
| Weight per Set | 3.2 kg ± 0.1 kg | 5.5 kg ± 0.2 kg | 3.5 kg ± 0.1 kg |
| Rail Compatibility | 50-60 kg/m rail | 60-75 kg/m rail | 50-60 kg/m rail |
| Operating Temperature | -40°C to +120°C | -50°C to +150°C | -30°C to +90°C |
| Fatigue Life | 2×10⁶ cycles @ 15 kN | 5×10⁶ cycles @ 25 kN | 1×10⁶ cycles @ 12 kN |
| Certification | EN 1504-1, UIC 864 | AREMA Ch.4, ISO 630 | EN 50122-1, IEC 61373 |
Railway Rail Clamps: Engineering Application & Industry Compliance
| Application Scenario | Installation Specification | Performance Validation | Industry Certification |
|---|---|---|---|
| Temporary Track Works | Hand torque wrench, 180-220 N·m | 24-hr load hold test @ 30 kN | Network Rail TS3 (UK) |
| Crane & Industrial Track | Impact wrench allowed, 250 N·m max | Lateral load test ≥ 40 kN | FEM 9.511, DIN 536 |
| Transit Guide Rail | Epoxy anchoring in concrete | Pull-out resistance ≥ 50 kN | EN 13231-3, NFPA 130 |
| Bridge Expansion Joint | Slotted hole for movement ±30 mm | Cyclic movement test 10⁵ cycles | AASHTO LRFD, EN 1991-2 |
| Electrified Third Rail | Insulation resistance > 10 MΩ | Dielectric test @ 3000 V AC | IEC 62128-2, BS EN 50122 |
| High-Speed Turnout | Preloaded to 90% yield, no slack | Dynamic stiffness ≥ 35 kN/mm | TSI LOC&PAS, UIC 866 |
| Underground/Metro | Corrosion protection class C4 | Salt spray 1500 h, red rust ≤ 5% | ISO 12944, UL 94V-0 |
| Welded Rail Anchor | Paired with rail clip, anti-creep | Longitudinal restraint ≥ 60 kN | AREMA Ch.4, RT/E/S/006 (RSSB) |
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