Чугун Решетки и рамки

Cast Iron Gully grates and frameheavy traffic roadway gratingsDutile iron cover GS 500-7 conforming to European standards,EN124 class D400(break load>40Ton)with black surface and non-skid patternCover equipments and locks for pedestrian and vehicular traffic areas.CLASSESLOAD RESISTANCE kNDESCRIPTION:A 1515Pedestrian walkways and cyclist areas. Lawns.B 125125Sidewalks and pedestrian walkways with just occasional traffic. Stations and parking lots for cars.C 250250Shoulders and street gutters with a maximum of 0.5m on road surfaces and 0.2 m on sidewalks.D 400400Roads surfaces including pedestrian streets with possible traffic during certain periods.E 600600Private roads under exceptionally heavy traffic burden.F 900900Prestige areas such as airports.FIELD OF USE:All heavy traffic roadways:heavy traffic of cars and heavy goods vehicles,urban main road speeds