Configuration of components
Tension Clamp: Skl 12
T-Bolt: Hs32-55
Nut: Sw39-M22
Flat Washer: Uls6
Rail Pad: Zw 687
Rail Baseplate:RP xx/yy/160
Baseplate Pad: Zwp xx/yy/5
Screw Spike: Ss35/DHS35
Double Spring Washer: Fe6
Nylon-Dowel: sdu25
Performance indicators
Maximum axle load:18t Minimum curve radius:R80m Speed:≤ 250km/h
Maximum axle load:26t Minimum curve radius:R150m/R400m Speed:≤ 250km/h/> 250km/h
Maximum axle load:35t Minimum curve radius:R150m Speed:≤ 160km/h
Longitudinal rail resistance:≥ 9kN
System clamping force:≥ 24kN
Dual rail gauge expansion:≤ 6㎜
Longitudinal resistance change rate:≤ 20%
Vertical stiffness change rate:≤ 25%
Clamping force change rate:≤ 20%
Electrical resistance:≥ 5kΩ
Effect of exposure to severe environmental conditions:
Smooth disassembly
Proof load test for pull-out resistance:≥ 60kN
SAFE Rail Fastening System (Zhejiang) Co., Ltd. is a leading manufacturer of rail fastening systems, with a total investment exceeding 50 million RMB and a factory area of over 50,000 ㎡. Strategically located in Zhejiang Province—China’s manufacturing hub—we specialize in providing high-quality rail fastening solutions for global markets.
The company is situated in Zhejiang Province, the heart of China’s manufacturing sector. This strategic location enables efficient access to supply chains, logistics networks, and industrial resources, supporting timely delivery of high-quality products to domestic and international customers.
Our annual output of rail fastening systems reaches 5 million sets, meeting large-scale project demands.
We operate an automated 3D warehouse with a storage capacity of 30,000 tons, ensuring efficient inventory management and product storage.
Our specialized production lines and laboratories are equipped with over 100 sets of advanced international automation and testing equipment. This ensures that every product adheres to the highest industry standards.
We comply with international standards including ISO 9001 (quality management), ISO 14001 (environmental management), and ISO 45001 (occupational health and safety management).