• Ductile Iron Manhole Cover with High Quality System 1
  • Ductile Iron Manhole Cover with High Quality System 2
  • Ductile Iron Manhole Cover with High Quality System 3
  • Ductile Iron Manhole Cover with High Quality System 4
  • Ductile Iron Manhole Cover with High Quality System 5
  • Ductile Iron Manhole Cover with High Quality System 6
Ductile Iron Manhole Cover with High Quality

Ductile Iron Manhole Cover with High Quality

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 set
Supply Capability:
4166 set/month

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Product Description

 

 

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 

a) Molding boards 

b) Green sand with hand molding 

4) Coating 

a) Cold applied black bitumen 

b) Without coating 

c) Coating as per customers' requirements




 

 

Ductile Iron Manhole Cover with High Quality

Ductile Iron Manhole Cover with High Quality


 

Specification

 

No.Item No.Clear Opening(mm)Frame Size(mm)Frame Height(mm)Unit Weight (kg/set)
1PBC550450×450450×4503521
2PBC600500×500600×6003526
3PBC700600×600700×7004037
4PBC800700×700800×8004047

 

 

 

 

Advantages

 

Good compressive, bending and impact strength, anti-corrosion, not rust, long service life  

(at least 30 years). The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than. Contain no metal 

 

and no recovery value, anti-theft.

 

 

Packaging & Shipping

 

Packaging: Details Pallet with bubble film, Carton or with pallet,

 

Delivery Detail: 8 days if your order is 20"container

 

 Ductile Iron Manhole Cover with High Quality

 

Our Services

 

1. Sample is available for free.

 

2. OEM and ODM are welcome.

 

3. Free charge of design labels and cartons.

 

4. Our products: produced by the hydraulic Press. 


Meanwhile, a number of experienced workers do the strictly Quality control and have production tracking program. 

 

5. Our price: we are the factory, we provide the most competitive price with good quality, and 

large order quantity will get big support by us!

6. Professional technical support with free charge.

 

7. After the cooperation: Any of your problem will be solved within 24 hours.

 

 

FAQ

 

Why imported Composite Manhole cover/Grating fromChina?


1. Very competitive price, it will save you third or even half cost;


2.Good quality, don't worry much about the quality, actually, most of the building materials you buy from Miami, Dubai ,Italy, 


South Africa or your local market are imported from China. So why not buy direct fromChina. The key point is to find a reliable 


supplier who is honest and professional to take care of the quality and delivery time.


3.Chinahas full range of Manhole covers which Follow En124  for your market, like A15,B125,C250,D400.


How do we start our cooperation?


If you are wholesaler, please send us the detailed information of the products you are doing, like Cover size, clear opening size, 


loading Grade, we will give you our best advices. We can start from sample order. 


Sometimes if meet the size we don’t have, the new mould with your size and design can be considered from us. Let's talk more 


details about the New Mould and Charges. Then start our Cooperation.

 

 

 

 


Q: Why does the precision casting factory not usually make iron castings?
Because it is too cheap, the design of materials is cast iron, generally do not have very high requirements.
Q: our factory now produces steel castings in the use of polishing directly after spraying processing, but the powder sprayed 15But the spray powder touched off what is the reason we are not very strict requirements not only need to peel off bubbles can also, because our products are steel castings so we use steam hole sludge put on. Do not know if this spray treatment has no effect to thank friends with us!
Cast iron has not been done, if it is iron, then in the spray before going through strict pretreatment, the surface can not have a little oil dust
Q: How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q: What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
The main content of red sand table (Institute of soil science, China) silica 79.4%. three 1.48%. three 10.55%. two aluminum oxide iron oxide, calcium oxide 0.85%. Magnesium Oxide 0.52%. 1440. refractory mud 3.06% LOI 1.98% red sand with high silicon content, permeability is strong, durable, high refractoriness, good angle, low moisture content, less mud the casting finish is high, the basic requirements of sand should meet the following requirements: Casting of high purity and cleanliness, with silica sand as an example, iron sand SiO2 content of more than 90%, the big steel casting requests the SiO2 content of more than 97%; the high refractoriness and thermal stability; the suitable particle the shape and particle composition; it is not easy to be wetted by the liquid metal; cheap. The particle shape and composition of casting sand particle shape and particle composition permeability properties such as mobility, sand compaction, permeability, strength and resistance to liquid metal effects, is an important indicator of the quality of casting sand.
Q: What is the casting material?
Gray iron, carbon steel, low alloy steel, ductile iron, stainless steel, Aluminum Alloy can all be cast out
Q: Where is the precision casting factory?
Everywhere is. Look what you want to do
Q: What are the general technical requirements for casting parts?
What kind of casting do you want to know? Copper parts, iron pieces, aluminum pieces??? Their casting conditions are different.
Q: What's the cause of the choking of the casting?,
Causes of choking fire:1., casting material in the pouring of gas;
Q: Shandong foundry, casting small pieces of precision casting
Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,
Q: How can the casting be free of trachoma?
3, the gate is not facing sand core, flush sand core, will cause trachoma.

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