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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Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for 2022 Good Quality Lockable Manhole Cover - Ductile Iron Manhole Cover – YONGTIA, The product will supply to all over the world, such as: Surabaya, Argentina, Greece, There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.

The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
