EN124 B-125 manhole cover slab 1,UNI-EN124 normal 2,OEM foundry 3,Material: ductile Iron EN124 B-125 manhole cover slab SpecificationCode Frame Dimension(mm)Clear Openning(mm)Cover dimension(mm)Carrying Capacity Standard Class(EN124)Net Weight(kg)TH40425*425345*345380*380B-1259 Round manhol cover:Square manhole cover:Grats and drains:Urban street furniture, fountains,bollards: