Ruihe - Model SK-2 -Twin Block Concrete Sleeper

Generally, SK II sleeper is suitable for ballast less track with standard rail gauge of 1435 mm. It`s used for radius ≥300 m of curve track and direct track, and applies to steel rails of 50 Kg/m. The fastener matched is Type WJ8A/8B. The maximum axle load is 25 t.