2022 High quality Square Manhole Cover - Ductile Iron Manhole Cover – YONGTIA Detail:
1) Material:
a) Ductile Iron GGG500-7 & 400-12.
b) Grey Iron GG20.
2) Designs:
a) EN124 A15, B125, C250, D400, E600 and F900.
b) A60005 for casting design.
c) Major standards designs available.
d) As per customers’ drawings or samples.
3) Process:
c) Molding boards.
d) Green sand with hand molding.
4) Coating:
a) Cold applied black bitumen.
b) Without coating.
c) Coating as per customers’ requirement.
5) Different accessories are available.
Ductile Iron Manhole Coverand Grating | EN124:1994 | Material: GGG500-7 |
Class | Application | Dimension (Frame mm) |
A15 | Pedestrians, Pedal Cyclists | Dia760 |
B125 | Footways, Pedestrians, Car parks | 290*290, dia800 … |
C250 | Kerbside channel of roads | 700*700, 600*800 … |
D400 | Road, hard shoulders etc. | 850*850, 920*920 … |
E600 | Docks, aircraft pavements etc. | as per your demands |
F900 | Aircraft pavements etc. | as per your demands |
Packing: Steel or wood pallet, or as per customers’ requirements’.
Product detail pictures:




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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for 2022 High quality Square Manhole Cover - Ductile Iron Manhole Cover – YONGTIA, The product will supply to all over the world, such as: Bandung, Italy, Hungary, In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we are going to continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.

Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
