Description
Technical Parameters
Nabla Clip Technical Specifications Table
| Category | Parameter | Specification | Standard/Value |
|---|---|---|---|
| Environmental | Temperature Range | -40°C to +80°C (retains >85% load) | EN 13481-5 |
| Corrosion Resistance | Salt spray >1200 hours (HDG coating) | ISO 9227 | |
| Installation | Rail Profile | UIC 54/60, BS 75R-113A | Profile-matched |
| Sleeper Type | Concrete (B70/B90), wood, or steel sleepers | Requires shoulder block | |
| Installation Speed | 10-15 sec/clip (tool-free manual press) | Crew output: 600-800 clips/day | |
| Standards | Europe | EN 13481-5, TSI INF 130/2014 | TSI certified |
| North America | AREMA Chapter 30 (modified) | FRA-approved | |
| Asia | TB/T 3065 (China), JIS E 1101 (Japan) | CRCC/JIS certified |

Nabla Clip Series Comparison
| Model | Clamp Force | Length | Coating | Best For | Service Life |
|---|---|---|---|---|---|
| KPW-12 | 8-9 kN | 140mm | ZnAl15 | Light rail/tram | 15 years |
| KPW-14 | 10-11 kN | 145mm | ZnAl15+epoxy | Metro/conventional rail | 20 years |
| KPO-16 | 11-12 kN | 160mm | Stainless steel | Coastal/high-humidity | 25+ years |
Key Advantages
- Tool-Free Installation: ∇-shape allows manual pressing (no hydraulic tools needed)
- Vibration Damping: 30% better than SKL clips (per EN 13146-2)
- Anti-Theft: No loose parts (vandal-resistant)
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