EN124 Standard Ductile Iron Mahole Cover and Frame 850*850 mm for
Algeria
SND Foundry can provide ductile iron manhole covers in a variety of
sizes, with or without hinges, single or double seals, square,
rectangular, or circular shapes, and coated in epoxy or black
bitumen, based on drawings or customer requests.
Production Description| Material | Ductile Iron /Cast Iron |
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| Size | 850*850, clear open 600mm, |
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| Standard | EN124 |
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| Class | C250/D400 |
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| Painting | Black bitumen coated |
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| Shape | Round, Square, Rectangle etc. |
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| Color | Black, blue, grey or customized |
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| Aplication | Roadways, Resisdential Areas, Industrial Zones, Untilities Access |
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| OEM Service | Yes |
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| Brand | SND foundry |
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| Package | Wood pallet, Wood box etc. |
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| MOQ | 10 tons for new molds, 1 set for stock molds |
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| Delivery | 45-60 days after prepayment |
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| Payment | LC/TT, etc |
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| Port | Tianjin port, China |
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Ductile iron manhole covers are essential components in modern
infrastructure, known for their strength, durability, and
resistance to harsh environmental conditions. These covers ensure
safe access to underground utilities, such as water, sewage, and
telecommunication systems. Here, we provide a comprehensive look at
the features, applications, advantages, and manufacturing process
of ductile iron manhole covers.
Features
Material: Made from ductile cast iron, these covers exhibit high
tensile strength and flexibility, reducing the risk of breakage.
Design: Available in various shapes (round, square) and sizes, with
custom designs possible for specific requirements.
Load Capacity: Suitable for different load classes (A15, B125,
C250, D400, E600, F900), making them ideal for everything from
pedestrian areas to heavy-duty roads.
Surface Coating: Anti-slip coatings ensure safety, while
corrosion-resistant treatments extend the product’s lifespan.
Applications
Advantages
Strength and Durability: Ductile iron offers a higher tensile
strength than gray iron, making the covers more durable and less
prone to cracking under heavy loads.
Corrosion Resistance: The covers are treated with epoxy coatings to
prevent rust, making them ideal for wet or coastal environments.
Cost-Effectiveness: Despite their superior strength, ductile iron
manhole covers offer a competitive price, reducing overall
maintenance costs.
Ease of Installation: Available with ergonomic designs like lifting
hooks or hinges, these covers ensure easy handling and quick
installation.
Environmental Friendliness: Ductile iron is recyclable, supporting
sustainable construction practices.
Manufacturing Process
Material Preparation: High-quality pig iron and scrap iron are
melted together, with magnesium added to create a ductile iron
alloy.
Casting: The molten iron is poured into molds to form the basic
shape of the manhole cover. Sand casting is a common method due to
its precision and efficiency.
Heat Treatment: The cast pieces are treated with heat to improve
strength and flexibility.
Surface Coating: Anti-corrosive coatings are applied to ensure
longevity in various environments.
Quality Control: Each cover undergoes rigorous testing for
load-bearing capacity, tensile strength, and dimensional accuracy.
Package
