... :2008,EN124, 3)A15,B125,C250,D400,E600,F900 4)Size as requirement Manhole cover1)Ductile iron/Cast iron2)ISO9001:2008,EN124 ... ,C250,D400,E600,F9004)Size as client's requestSand Casting Manhole Cover Material: Grey/Ductile Cast Iron Standard: ISO 9001:2008 ... fittings for water networks, pipes and fittings for industrial systems, Manhole covers, valves, castings, machines etc., which are widely used by ...