Ductile Iron Manhole Cover GGG50 Class C250

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China main port
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TT OR LC
Min Order Qty:
500 pc
Supply Capability:
200000 pc/month

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Item specifice:

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

Product Description:

1.Ductile Iron Manhole Cover Description :

1.Advantages: Good compressive, bending and impact strenth,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.

2.Applications: water supply and drainage, fire engineering, natural gas, 

electricity and telecommunications, street lamp and outdoor illuminations.

3.Designs: based on EN124 standard and according to customer's drawing or samples.

4.Color: black, Grey, green, blue and Marble , etc.

2.Main Features of the Ductile Iron Manhole Cover:                     

•High endurance

•High Strength

•Pressure Resistence

•Anti-corrosion

•Anti-theft

•Good visual effect

3.Manhole Cover Images:

Ductile Iron Manhole Cover GGG50 Class C250

Ductile Iron Manhole Cover GGG50 Class C250

4.Manhole Cover Specifications:

1) Production information

Manhole cover are manufactured for construction and public use. Manhole cover shall be smooth and free sand holes, blow holes, distortion or any other defects 

2) Material

A) Ductile iron GGG50

B) Grey iron GG20

3) Designs

A) EN124 Class B125 C250 D400 F 900, with different size and grammage, or as  customers' requirement.

B) as per customers' drawing or samples

4) Process

A) Molding boards

B) Hand Casting 

5) Coating

A) black bitumen or epoxy .

B)Coating as per customer's requirement

5.FAQ:

We have organized several common questions for our clients,may 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. The project I’m working on requires a manhole cover with a quality finish, what’s available?

A. Naturally, galvanised steel of black polypropylene aren’t always ideal, and so we offer brass or stainless steel edging, as well as complete stainless steel covers.

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Q:Some commonly used metal stamping parts of the material?
On the nature and use of hardware, iron and steel materials, non ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories are to be consideredGenerally speaking, all metal products belong to hardware.Hardware is not specific strict classification, coverage is too wide.
Q:How to distinguish the advantages and disadvantages of bathroom hardware?
Bathroom hardware coatingProducts: in strict accordance with the national standard electroplating technology, using imported raw copper, nickel, chromium and copper after, three plating process, depending on the sense of thick, shiny, long-term use will not wear, corrosion, foaming or peeling,. Compact structure, uniform coating, color face crisp, generally more than 30 micron in thickness, no scratch coating surface and burr.Liepin: plating layer is thin and uneven, loose structure, poor adhesion, luster, the chrome plated directly in the blank, after a period of time, the surface is easily corroded, wear, blistering and peeling off. The coating thickness is less than 20 microns, the material is easy to be oxidized by air, and the coating surface has many scratches and burrs.
Q:What are the hardware parts of the door?
Hardware fittings are hardware parts or parts made of hardware, and some hardware products. It can be used alone or as a aid. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not final consumer goods. But as industrial manufacturing supporting products, semi-finished products and tools used in the production process and so on. Only a small number of household hardware products (fittings) are the consumer goods of tools for people's daily life.
Q:What are door hardware included?
Layering (copper, aluminum, PVC)Any of various metal and non-metallic fittings installed on the door of a building. Play a supporting role when the door is open and closed. The surface is usually plated or coated, and has the characteristics of firmness, durability, flexibility, economy, beauty and so on.
Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
The preferred stainless steel with good economic condition has the advantages of easy cleaning and durability, and strong toughness
Q:What kind of goods do you need to open a hardware store?
Most of the hardware stores include: ordinary light bulbs, energy-saving light bulbs, switches, sockets, wires, safety switches, taps, sandpaper, brushes, and economical coatings.
Q:How to buy some ardware
Teach you how to choose hardware fittingsDecoration is a very complicated matter, large building materials, furniture, sanitary ware, small door, door hinge, towel hanging, pumping rail these hardware accessories which are not less. Although hardware accessories will not affect the overall effect of the decoration, but to use the day after the play a crucial role.
Q:What are the commonly used hardware materials? What are their respective properties?
Aluminum alloy (A5052), ----O, H32, H34, H36, H38HCharacteristics: good corrosion resistance, corrosion Younai, formability and good weldability, good anodic treatment. Purpose: household appliances, optical instruments, clocks, gear panel, vehicle and ship materials, trucks, cargo plate've etc..
Q:Are there any better hardware parts for the glass sliding door?
Okay! Yes! There seems to be a kind of bearing with HA now! But even better needs maintenance! Regular cleaning! Too much dust can affect use!
Q:Do you need your own hardware to buy a suit door?
If you have a better hardware match, should also be in advance with the merchant clear.

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