Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of kpo3 railway part system in China, also supports customized service with low price. Please feel free to buy cheap kpo3 railway part system made in China here from our factory.
Product Introduction
As an important guarantee for the stable operation of railway tracks, the railway fastener system consists of buckling devices, anti-climbing equipment, pads, etc., and can be divided into standard rail, wide rail, and narrow rail fastener systems according to different track types. The standard rail fastener system is the most widely used and plays a key role in major railway trunk lines around the world; the wide rail system adapts to wider track gauge requirements and ensures the stability of rails on special railway lines in some countries and regions; the narrow rail system meets the track fastening needs of narrow rail railways with its compact structure and precise design. Whether it is a small mountain railway or a scenic sightseeing railway, it can ensure the safe and stable operation of trains while reducing track maintenance costs.
The KPO series belongs to the category of rigid fasteners in the gusset fastener system. It is widely used worldwide, especially in the field of crane rail applications. KPO3 is an important part of the KPO railway fastener system.

The KPO3 Railway Part System fixes and supports the rails through the coordinated work of gussets, pads and connecting bolts. When the train runs on the track, huge vertical pressure, horizontal force and impact force will be generated between the wheels and the rails.
The KPO3 gusset uses its own structure and buckling pressure to tightly buckle the rails on the sleepers and limit the lateral displacement of the rails. At the same time, the pads evenly distribute the pressure transmitted from the rails to the sleepers, reducing the local stress concentration of the sleepers. The connecting bolts apply preload to tightly connect the various components of the KPO3 system to form a whole, jointly resisting various forces generated during the operation of the train.

Product Specifications
| Specifications for ONE unit of KPO type rail fastening system | ||
| Item | Quantity | Material |
| KPO clip | 2 | Q235 |
| Screw spike | 2 | Grade 4.6: Q235 |
| Grade 5.6: 35# | ||
| Grade 8.8: 45# | ||
| HS bolt 4 | 4 | Grade4.6: Q235 |
| Grade5.6: 35# | ||
| Grade8.8: 45# | ||
| Hex nut 2 | Grade 5: 35# | |
| 2 | Grade 8: 45# | |
| Double coil spring washer | 2 | 65Mn |
Product Packaging & Delivery
Wrap the fasteners one by one with rust-proof paper, and then arrange them neatly in a wooden box with pulleys. Moisture-proof cardboard is laid on the bottom and sides of the wooden box. Adjustable wooden partitions are set in the box and fixed with bolts to separate fasteners of different specifications. The lid of the wooden box adopts a sliding design, which is locked with a buckle after closing. It can be easily moved by the pulley during transportation. Finally, the wooden box is fixed on the pallet with packing tape for transportation.


GNEE RAIL is a foreign trade company focusing on the export of railway engineering fastener systems. Its products cover all-scenario connection needs such as rails and bridges. All products come from high-quality domestic manufacturers. A complete quality control system has been established to monitor the entire process from raw materials to finished products. A professional foreign trade team is equipped to provide multilingual service support. The innovative digital management system is used to track the entire order process.






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