ductile manhole cover

Ductile Iron Manhole cover and Frame 600*600*100mm D400

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

Product Description

Ductile manholes covers is a very common product in road construction, it made of ductile iron GJS500-7. Ductile iron is a very strong and reliable material that can load much weight. Since 1993, CASTKING started to manufacture and sell ductile iron, we have many experiences in this industry.

600*600*100mm is a very popular size for a ductile manhole cover, this is a square shape design. Also, diameter 600mm is popular for round shape design.

D400, it is from the EN124 standard, there are 6 loading grades, A15, B125, C250, D400, E600, F900. Different loading classes provide different loading weights, such as D400 means loading weight is 400KN, 40T.

Are you looking for a manufacturer for ductile manhole cover ?

Since 1993, CASTKING making and selling ductile manhole cover, we have many experienced engineers to help our clients confirm some details. We can help clients design the covers. With CAD, Solidworks and other software.

We have 800 staff and advanced production equipment that can make sure fast lead time and reliable product quality. Welcome to contact us for more details.


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

Contact us online