SK-2 Twin Block Concrete Sleeper

Type	Unit（t)	Maximum speed(km/h)	length	Width	Height	weight
SK-2	25	200-250	2400 mm	314 mm	275.5 mm	242 kg

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.