The nabla clip rail fastening system is a system commonly used for railway track fastening. Its main component is the Nabla clip, which is used to clamp and secure rails (steel rails) to sleepers (wooden or concrete sleepers). The system takes its name from its core component, the nabla clip, which is typically made from high-strength spring steel and is elastic enough to grip the rail and ensure it is securely mounted on the sleeper.
The nabla clip rail fastening system is widely used in railway construction in European and African countries. Comply with EN13481-5 standard. nabla clip rail fastening system mainly consists of nabla clips, insulators, screw spikes and spring washers.
1.Materials: 60Si2MnA, 60Si2CrA, 38Si7, 55SiMn
2.Thickness: 12mm, 14mm, 16mm, 18mm, 20mm
3.Surface: Red Paint, Plain Oiled, Oxygen Black, Zinc Plated
4.Material Refer to: DIN 17221,BS 970, GB/T 4357, GB/T 4358
5.Packing: 25KG per woven bag in free fumigation wooden box
Nabla railway fastening system components
| Nabla Rail Fastening System | |||
| Part Name | Pcs / Set | Types | Material |
| Nabla Clip | 2 | Thickness: 4mm or 4.5mm | 60Si2MnA / 60Si2CrA |
| Rail Insulator | 2 | For Rail of UIC54,UIC60, | Reinforced Nylon 66 (PA66) |
| 50kg rail,60kg. | |||
| Double Head Screw Spike | 2 | For Rail of UIC54,UIC60, | Grade 4.6: Q235 |
| 50kg, 60kg. | Grade 5.6: 35# | ||
| Grade 8.8: 45# | |||
| Nut | 2 | Can be customized | Grade 5: 35# |
| Grade 8: 45# | |||
| Spring | 2 | Can be customized | ML08AL, 60Si2MnA, 65Mn |
| Spring Washer | 2 | 18.25×34×78mm | ML08AI |
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1. Strictly inspection and testing of raw materials
2. Regularly organize quality control coordination meetings with semi-product suppliers to provide technical support.
3. Both sampling and batch testing will be taken while producing to make sure products 100% qualified before shipment.
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