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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We always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for 2022 Good Quality Lockable Manhole Cover - Ductile Iron Manhole Cover – YONGTIA, The product will supply to all over the world, such as: Anguilla, Norwegian, Manchester, If you need any of our products, or have other items to be produced, please send us your inquiries, samples or detailed drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.

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