Description
Technical Parameters
Railway Nabla Clips - Product Classification & Dimensional Tolerances
| Classification by Application | Model | Key Dimensions (mm) | Dimensional Tolerance | Applicable Rail Gauge |
|---|---|---|---|---|
| Passenger Railway Clips | Nabla-P16 | Wire diameter: 16Working span: 92Head width: 28 | Wire diameter: ±0.2Working span: ±1.0Head width: ±0.5 | 1435mm (standard gauge) |
| Freight Railway Clips | Nabla-F18 | Wire diameter: 18Working span: 100Head width: 32 | Wire diameter: ±0.3Working span: ±1.2Head width: ±0.8 | 1435mm / 1520mm (broad gauge) |
| Tramway Clips | Nabla-T14 | Wire diameter: 14Working span: 85Head width: 25 | Wire diameter: ±0.2Working span: ±0.8Head width: ±0.5 | 1435mm (tram standard gauge) |
| Heavy-Haul Railway Clips | Nabla-H20 | Wire diameter: 20Working span: 108Head width: 35 | Wire diameter: ±0.3Working span: ±1.5Head width: ±1.0 | 1435mm (heavy-haul gauge) |
| Insulated Railway Clips | Nabla-I12 | Wire diameter: 12Working span: 78Insulation layer thickness: 3 | Wire diameter: ±0.2Working span: ±0.8Insulation layer: ±0.2 | 1435mm (electrified railway) |
Railway Nabla Clips - Environmental Durability & Service Life Extension
| Environmental Condition | Recommended Model | Surface Protection Upgrade | Routine Maintenance Measure | Expected Service Life Extension |
|---|---|---|---|---|
| Coastal (high salt fog) | Nabla-P16-Marine | PTFE coating + galvanizing (double-layer) | Monthly salt deposit cleaning | 5–8 years (from base 10 years) |
| Industrial (heavy dust) | Nabla-F18-Industrial | Dacromet + epoxy resin composite coating | Quarterly dust removal + coating inspection | 3–5 years (from base 8 years) |
| Cold Region (≤-30℃) | Nabla-H20-Arctic | Low-temperature resistant zinc plating | Annual low-temperature elasticity test | 4–6 years (from base 9 years) |
| Humid Tropics (≥85% RH) | Nabla-T14-Humid | Zn-Al alloy plating + anti-mildew treatment | Bi-annual rust spot inspection | 4–7 years (from base 7 years) |
| Electrified Railway (high voltage) | Nabla-I12-Insulated | Enhanced PA66 insulation layer + anti-corona coating | Semi-annual insulation resistance test | 6–9 years (from base 8 years) |
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