2022 Good Quality Lockable 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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No matter new customer or old customer, We believe in long term and trusted relationship for 2022 Good Quality Lockable Manhole Cover - Ductile Iron Manhole Cover – YONGTIA, The product will supply to all over the world, such as: Mexico, United States, Czech republic, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We've got tightened inspection for quality of product.

The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
