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septic tank ductile iron manhole cover
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Product Name: |
Anti Vibration Septic Tank Ductile Iron Manhole Cover DIN En124 |
Key Words: |
Square Manhole Cover |
Class: |
A15, B125, C250, D400, E600, F900 |
Color: |
Black, Grey, As Your Requirement |
Paint: |
Spray Paint, |
Standard: |
DIN En124 |
Origin: |
Handan, Hebei Province |
Shape: |
Round,Square,etc |
Anti-Vibration Septic Tank Ductile Iron Manhole Cover DIN En124
Product Features:
(1) High strength and durability
Square cast iron manhole covers are made of high-quality cast iron, which has high compression and bending resistance and can withstand the weight of vehicles and heavy equipment.
The strength of manhole covers made of ductile iron is close to that of carbon steel, and they have good seismic resistance and a service life of more than 20 years.
(2) Anti-slip design
The surface is usually designed with anti-slip patterns (such as grids and radial patterns), which can effectively prevent slipping even on rainy days and ensure the safety of pedestrians and vehicles.
(3) Anti-theft and anti-falling
Square manhole covers can be equipped with safety locks or hinge structures to prevent the manhole covers from being stolen or shifted.
The hinged design can also prevent accidental falling when opening the manhole cover, ensuring the safety of installation and maintenance.
(4) Drainage performance
Some square cast iron manhole covers are designed with air vents or drainage holes to prevent rainwater accumulation and reduce the impact on road traffic.
(5) High dimensional accuracy
The square manhole cover is tightly matched with the base (manhole frame) to prevent shaking or noise.
(6) Multiple load-bearing levels
Square cast iron manhole covers are divided into six load-bearing levels according to the EN124 standard: A15, B125, C250, D400, E600 and F900, meeting various needs from pedestrian areas to heavy-load areas.
Product Description:
| Outer Dimensions (mm) |
Clear Opening (mm) |
Thickness (mm) |
Load Class |
Weight (kg) |
Application Scenarios |
| 500 × 500 |
400 × 400 |
30 |
A15 |
25 |
Pedestrian areas, parks, greenbelts |
| 600 × 600 |
500 × 500 |
35 |
B125 |
35 |
Non-motorized lanes, residential paths |
| 700 × 700 |
600 × 600 |
40 |
C250 |
50 |
Parking lots, secondary roads |
| 800 × 800 |
700 × 700 |
45 |
D400 |
75 |
Urban main roads, general traffic zones |
| 1000 × 1000 |
900 × 900 |
50 |
E600 |
120 |
Industrial zones, heavy vehicle areas |
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.
Company Introduction
SND has been producing and selling metal goods for about 20 years.By using manufacturing techniques including sand casting, lost wax casting, lost foam casting, and precision machining, the company has been supplying goods made of materials like cast iron, steel, stainless steel, aluminum, etc. Additionally offered are surface finishing and assembly services.
Our company has successfully created products in a variety of industries, including automotive, rail transportation, agricultural machinery, chemical, energy, electricity, water, air compressor, and construction, thanks to our consistent efforts over the past few years.
Our factories' ISO9001-accredited quality control systems guarantee a consistent and dependable quality for each and every component.
Spectrometer, ultrasonic, magnetic, permeability, elongation, tensile/yield strength, and other inspections are carried out as part of routine production procedures.
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