Manhole Covers Ductile Iron and Grating GGG50 B125

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Loading Port:
China main port
Payment Terms:
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,Square Thickness: 50-100mm

Product Description:

1.Ductile Iron Manhole Cover Description :

A manhole cover is a removable plate forming the lid over the opening of a manhole, to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.

Manhole covers are often made out of cast iron, concrete or a combination of the two. This makes them inexpensive, strong, and heavy, usually weighing more than 50 kilograms (110 lb). The weight helps to keep them in place when traffic passes over them, and makes it difficult for unauthorised people not having suitable tools to remove them.

2.Main Features of the Ductile Iron Manhole Cover:                      

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 GGG500&400-12

B) Grey iron GG20

3) Designs

a) EN124 Class B125 C250 D400 ,with different size and grammage, or as per customers requirement

b) Major standards designs available

c) as per customers' drawing or samples

4) Process

a) Molding boards

d) Green sand with molding                        

3.Manhole Cover Images:

Manhole Covers Ductile Iron and Grating GGG50 B125

Manhole Covers Ductile Iron and Grating GGG50 B125

4.Manhole Cover Specifications:

A)Inspection by our factory

B)The third party inspection,SGS

SMC Watertight Manhole Cover 

BS EN124 A15 A50 B125 C250 D400 

Watertight Waterproof 

Lockable Bolts 

Anti UV Antistatic Finish

SMC Watertight Manhole Cover  BS EN124 A15 A50 B125 C250 D400

Watertight Waterproof

Lockable Bolts

Anti UV Antistatic Finish

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?
the basis of national defense, hardware products are usually divided into two major categories of hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc..
Q:How to maintain the hardware?
Hardware should be regularly wiped with dry cloth to ensure its luster, in case of discoloration
Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
It must be made of stainless steel. It's durable. Although the Aluminum Alloy will not rust, but because aluminum is a very soft, long time will rot.
Q:Which part is responsible for leakage of hardware?
If the warranty period has passed, the water should be public property maintenance, the loss is the property bear, you can see their property contract, if the property is not in this part of the cost of public use of water pipes, responsibility and use you, if you are using the water, after the warranty period, the responsibility of all is he.
Q:Does hardware affect the tightness of doors and windows?
The main window is divided into windows, windows and wood windows and other types of.It is made of glass, section bar, hardware, sealing strip and so on. The sealing of doors and windows is made up of all parts, including the quality of the glass, the quality of the profiles, the quality of the sealant (mainly), the quality of the hardware, the quality of the doors and windows.The tightness is mainly related to the sealing strip they use.
Q:What kind of goods do you need to open a hardware store?
There are a lot of ah, tools, parts, screws, bearings, lighting, electrical materials, water cooler, there are some other configurations, such as titanium alloy frame. If you want to shop, you can go to shentop Hotel Web browsing, there are many types of him, should be for you.
Q:Do their own cabinets, cabinets hardware where can I buy?
Cabinet hanging yards, preferably hidden style. Handle should be rich, general building materials city is not rich enough, hinge, better. Foot, the kind of adjustable, engineering plastics can. Materials such as fire boards
Q:What does "hardware delivery" mean?
The dictionary of modern Chinese contains:Hardware: refers to gold, silver, copper, iron, tin, generally referred to as metal."Ci Hai" contained:Hardware: refers to gold, silver, copper, iron, tin, this is commonly used for metal or copper, iron and other products collectively.Hardware is the mother of industry; the national defense foundation, hardware product material, usually divided into two categories of hardware and hardware. Hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails wire, steel wire, steel wire cutting, home hardware, tools etc..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 considered.Electricity, as the name suggests, is alternating current for electric appliance, such as knife, cable, wire, and AC power distribution equipment, accessories and so on.
Q:What is the rebate rate for hardware?
You this question is general Oh, specifically to see the screw material (steel, copper) and use, in order to determine its tax rebate rate, 5% is yes.
Q:What is a hardware cooker?
It's a metal ware (a mix of metal and other materials, such as wood and plastic) that belongs to hardware cookware.

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