sewage cast iron manhole cover

Sewer covers drain covers

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

We are manufacturer for making sewer covers drain covers; Our manhole covers produced and tested according to EN124 standard;

Castking has more than 800 workers and 2 advanced produce line, can make more than 1000pcs manhole covers each day.

Since 1993, we started to produce and sell, now, we have exported cast iron covers and frame to more than 50 countries and regions.

Sewer covers drain cover is one of the most common products in municipal engineering. It is installed on sewers and rainwater ditches, and sealed to prevent other people from accidentally falling.

Ductile iron as its raw material has very good mechanical properties and can carry a lot of weight, which is why the use of ductile iron manhole covers is very common.

At the same time, the ball mill cast iron Sewer covers drain cover has good anti-corrosion performance, and can be coated with asphalt to further enhance the anti-rust ability.


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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