What should you know before purchasing a KPO rail fastening system?
Before purchasing a KPO rail fastening system, you should know the specific components required for your application, such as the KPO clips, HS bolts, screw spikes, baseplates, and their materials. You should also confirm the system's ability to meet performance requirements like strength, durability, adjustability, insulation, and vibration damping, and ensure its components are suitable for the environmental conditions they will face, including temperature, humidity, and chemical exposure. Finally, verify the system's compatibility with your specific rail sections and sleeper types and check for necessary certifications and quality controls.
System and component requirements
- Identify specific components: Determine the precise components needed, such as KPO clips (e.g., KPO3, KPO6, KPO9), HS bolts (e.g., HS26, HS32), screw spikes (e.g., M24x150mm), hex nuts, and double coil spring washers.
- Define material specifications: Specify the materials for each component, such as Q235 steel for clips, different grades of steel for bolts and spikes, and materials like QT500-7 or forging steel for baseplates.
- Confirm rail and sleeper compatibility: Ensure the system's baseplates and other parts are compatible with your specific rail sections (e.g., UIC54, UIC60, 50KG) and sleeper types (e.g., concrete, steel, or wooden).
| KPO fastening system | ||||||
| KPO clamp | Screw spike | HS bolt | Hex nut | spring washer | Base plate | |
| Pieces required | 4 | 8 | 4 | 4 | 8 | 2 |
| Material | Q235 | Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# | Grade4.6: Q235 Grade5.6: 35# Grade8.8: 45# | Grade 5: 35# Grade 8: 45# | 65Mn | Casting iron QT500-7, QT450-10, or forging low carbon steel or high carbon steel; |
| Type; | KPO3, KPO6, KPO9 | M24X150mm M24 x160mm M24 x180mm | HS26, HS32 | As ordered | As ordered | UIC54,UIC60, 50kg rail, 60kg rail,S49 in ordered size |
| NOTE | Standard: DIN5906 | Standard: ISO898-1, UIC864-1 and NF F500-50 | Diameter: 22mm or 24mm. Length: 55mm, 65mm, 75mm, 90mm | Standard: DIN985 | Standard: UIC864-3 | Standard: UIC864-6 |
Performance and suitability
- Assess performance criteria: The system should have sufficient strength and durability, and meet requirements for track gauge and horizontal adjustment. It must also provide good insulation and good damping elasticity to reduce noise and vibration.
- Consider environmental factors: Choose materials that can withstand the environmental conditions, including temperature fluctuations, humidity, vibration, and chemical exposure. For demanding environments, consider surface treatments like Dacromet or zinc-nickel alloy co-permeation for enhanced anti-corrosion protection.
Quality and logistics
- Verify certifications and quality control: Ask about quality management systems and certifications (e.g., ISO 9001) and the manufacturer's quality inspection process.
- Confirm surface treatment and finishes: Discuss the available surface treatments for each component, as these impact durability and corrosion resistance.
- Inquire about customization and supply: Clarify if components can be ordered separately and if customization options are available to meet specific needs.
For different applications, there are many types of rail fastening system, such as E-type, SKL-type, Nabla, KPO-type, fast clip fastening system and so on.Every kind of rail fastening system has its own components. For example, E-type fastening system is made up of E-clip, shoulder, rail pad and insulator. Nabla rail fasting is consists of Nabla clip, insulator, screw spike and spring washer.
Rail fastening system is not supplied as a whole set,GNEE RAILWAY RAILWAY can supply fastening parts separately. We supply the baseplate, rail clip, rail spike(dog spike and screw spike), rail bolt, spring washer. You can customize your order with the help of rail fastener professional.