Manhole covers

 

Sewage manhole covers are manufactured as reinforced cement elements in two types: as elements joined by a seal and a tongue and groove joint. All sizes of manhole covers are manufactured in the following bearing capacity classes: 150 (B class) and 400 kN (D class)

 

All manhole cover types and sizes are manufactured with holes situated centrally, off centrally or as a solid element. Manhole covers are reinforced according to manufacturer’s design documentation.