• Manhole Cover Ductile Iron D400 Bitumen Coating System 1
  • Manhole Cover Ductile Iron D400 Bitumen Coating System 2
Manhole Cover Ductile Iron D400 Bitumen Coating

Manhole Cover Ductile Iron D400 Bitumen Coating

Ref Price:
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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
300000 pc/month

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Specification

Cross Sectional Shape:
Round,square
Thickness:
100mm
Material:
Ductile Iron

1.Cast Iron Manhole Cover Description :

Description:

202517

760

800

75

B125

202518

760

800

75

C250

202519

760

800

110

D400

202520

800

840

85

A15

202521

800

840

85

B125

202522

800

840

85

C250

202523

800

840

85

D400

202524

900

940

100

A15

202525

900

940

100

B125

202526

900

940

100

C250

202527

900

940

100

D400

202528

1000

1040

100

A15

202529

1000

1040

100

B125

202530

1000

1040

100

C250

202531

1000

1040

100

D400

202532

1325

1365

100

A15

202533

1325

1365

100

B125

202534

1325

1365

100

C250

2.Main Features of the Ductile Iron Manhole Cover:

1. Light weight

Compared with cast iron manhole cover, FRP manhole cover is 30% lighter.

Light weight allows more loading per vehicle, more convenient transportation and economical savings.

Allows a safer working condition, which single workers is enough for installation without risk of injury.

2. Long service life

Strong resistance of acid, alkali, weathering, anti corrosion of water, dust, manhole covers used for gas are well sealed which prevent poisonous gas leaking.

Temperature tolerance is at the range of -40°C-200°C.

3.Manhole Cover Images:

 Manhole Cover Ductile Iron D400 Bitumen Coating

Manhole Cover Ductile Iron D400 Bitumen Coating

4.Manhole Cover Specifications:

1) Process
A) Molding boards

B) Hand Casting 

2) Coating
A) black bitumen or epoxy .
B)Coating as per customer's requirement

3) Different accessories are available 

4) Packing:
Wooden case or wood pallet, or as per customers' requirement 

5.FAQ:

We have organized several common questions for our clientsmay help you sincerely

Q. Can I fit a square manhole cover into a round chamber?

A. Yes, there are a select few manhole covers which are square-to-round, meaning they will fit square or round chambers. 

Q. I have a heavy traffic manhole cover but it has been broken by a forklift, why?

A. Forklifts have solid wheels which apply pressure differently to standard pneumatics and therefore covers must be specially adapted to suit this.

Q. I’ve measured my clear opening size but none of your covers match it, can you offer anything?

A. It’s likely that your cover is quite old and in imperial measurements which are no longer manufactured. However, we can offer bespoke solutions with manhole covers made to the specification you require.

Q: How to improve the surface roughness of casting parts?
One is to improve the accuracy of the model; the two is to improve the molding sand mesh. How much is the other relationship?.
Q: What are the requirements for casting steel castings?
2, the plane should be placed on the following.3, thin parts should be placed below.
Q: Domestic large steel castings factory which is better, recommend!
At least spend money on research and development, then the quality should be all right.
Q: Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
Q: After reaming, the roughness can reach several levels, that is to say, the sample.Casting parts in rocker arm drilling, reaming, roughness, block. After reaming, the roughness can reach several levels, that is to say, the sample.
The finish of reaming depends on the material and the sharpness of the reamer, as well as the speed and speed of the top and bottom. Marine machine tool
Q: How to cast iron and wrought iron collocation
So we can only watch and ear distinction: 1, see: Iron fracture is rough, showing a bead (for the sake of coarse grain iron), and wrought iron fracture is generally more smooth; if this is a new fracture, but also to see the dark and shiny born iron wrought iron pig iron is bright; the fracture is generally irregular, because it is very brittle, mostly is interrupted, (which is processed, it is very flat and wrought iron) must not be interrupted, mostly by certain way processed separately, so the fracture is generally neat; if the fracture is that is cutting, wrought iron, iron is not cutting; iron surface will not have pores, familiar iron porosity; if a piece of iron is a significant deformation (bending) that is wrought iron because of poor plasticity It doesn't have to be so deformed, it's really bent, or it's broken, or it's obviously cracked, and it doesn't bend very much. There are some details that can not be made clear. It is necessary to have some experience.
Q: How can the casting be quenched and tempered?
Return, general castings (especially steel castings) commonly used heat treatment process is normalized and tempered. Of course there are completely by annealing or remove stress annealing...
Q: How to solve casting defect casting?
Different defects, different solutions, some shortcomings, the current domestic level can not be resolved
Q: Shandong foundry, casting small pieces of precision casting
Dongying Huayang precision casting factory, the smallest to do 2G pieces.
Q: The difference between sheet metal and casting parts
Commonly used in machine tools casting material is gray cast iron, casting bearing alloys can also be.

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