Manhole Covers for sewage

Ductile Iron Manhole Covers for sewage, municipal wastewater system

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

Since 1993, CastKing has become one of the excellent manufacturers of Manhole Covers for sewage in China. These manhole cover and gully grates are used in infrastructure such as telecommunications, sewage, power supply, and water supply, which has rapidly improved China’s urbanization.

About Manhole Covers for sewage, we have strict quality control, from the procurement of raw materials to the sale of products in the factory, each manhole cover will undergo strength testing and ensure compliance with standards. The factory is located in Changsha, China.

We produce and inspect in accordance with Chinese standard GB and European standard EN 124, and obtain CE certificate. We focus on serving customers and improving product quality.

For different customers, we provide customized services, from weighing grades to sizes and shapes.

  • Shape: round, square, rectangle, triangle
  • Anti-theft: feasible
  • Material: Ductile Iron
  • Conform to the standard: EN 124
  • Proof load: up to F900 to A15
  • Coating: epoxy resin or asphalt
  • Types: B125, C250, D40, E600 and F900

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 Manhole Covers for sewage, now, we have exported cast iron covers and frame to more than 50 countries and regions.


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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