CI Manhole Cover D400 E600 Heavy Duty

Material: cast iron, ductile iron
GJS500-7 & EN124
Size: customized or standard
LOGO embed: available
Loading ability: from B125 to F900
Certification: CE, ISO

Product Description

CI manhole cover is a metallic cover made of ductile iron, which mostly used for road construction. According to the application, there are 6 different loading classes, which are A15, B125, C250, D400, E600, F900 According to EN124.

D400 CI manhole cover is a heavy duty manhole cover, which can be used for main road, highway, and other heavy traffic applications. D400 means the loading pressure reaches to 400KN, loading weight is 40T.

E600 CI manhole cover is heavy duty manhole cover also, it`s widely used for main road and highway. Normally, D400 is quite enough for loading, but if considering the road always with very heavy big vehicles, the E600 class is a good choice.

The size and shape of CI manhole cover

There are many different sizes of CI manhole cover, 600mm diameter round design is very common in the market. Also, 600*600mm square is very common.

If you are looking for a different size, you can ask us, because we have many different molds for different sizes. If happen we have the corresponding size you need, you can save mold cost.

Also, shapes such as round, square, rectangular, double triangular are all available. We have many choices for you.


ShapeRound, Square, Rectangular, Triangular
Diameterfrom 200-1500mm
Depthfrom 10-400mm
MaterialDuctile iron GJS500-7
Loading abilityEN124
LockLock and hinge available
SizeCutomized size and shape available

Loading class

Manhole cover loading class, there are 6 different class accoring to EN124 standad, it`s A15, B125, C250, D400, E600, F900. Different loading class means different application. Normally, A15, B125, C250 for pavement, depestrain, park; D400 E600 for main road and highway; E600-F900 for airport, dock.

GroupLoading classApplication
#. Group 1A15Pedestrain, pavement
#. Group 2B125Driveway
#. Group 3C250Car parks
#. Group 4D400Main road, highway
#. Group 5E600Industrial area
#. Group 6F900Docks & airport

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