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Plastic Dowel Sdu 26

Rail plastic dowel is also called concrete dowel, concrete insert, rail plastic sleeve, plastic insert, etc. The function of rail plastic dowel is to insulate the fastener parts from the ties, so the quality of this small pre-embedded part into the concrete sleeper, especially its strength and fatigue life, is of great importance to the safety of the whole rail line.
Rail plastic dowel is one part of rail fastening system, it should be pre-inserted into the concrete sleeper separately before assembling the rail fastening system parts, so it can be considered as the fastening foundation.
Rail plastic dowel is a counter-party for the anchor bolt or sleeper screw spike, usually, it is used to guarantee the good connection and linkage of the rail fastening system with the concrete sleeper, with screw spikes or bolts.  
Anyang Railway Equipment Co., Ltd can provide different types of rail washers with various specifications to meet customers’ requirements.
Technical Support
1. Material
The raw material of the Plastic Dowels, Nylon Dowels are glass fiber reinforced polyamide 6(PA6) with anti-ultraviolet and anti-oxidation functions.
2. Density
1.12 - 1.14 g/cm3 in accordance to DIN EN ISO 1183-1.
3. Surface
The Dowels have a smooth surface, free from defects. Thread is uniform and full, as well as allowing the unscrewing of the Dowel from the sleepers without breaking or damaging the sleepers.
4. Characteristics 
Plastic Dowel Sdu 26 is the component of W14 Fastening System.
5. Vertical loading test on cast and bonded fastening components
≥ 60 kN in accordance to DIN EN 13481-2 Annexe A
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