Manhole Cover Ductile Cast Iron on Sale Heavy Medium Telecom Sew

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1,Cast Iron Manhole Cover Description :

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.

A manhole cover sits on metal base, with a smaller inset rim which fits the cover. The base and cover are sometimes called "castings", because they are usually made by a casting process, typically sand-casting techniques.


2,Main Features of the Ductile Iron Manhole Cover:

·High endurance

·High Strength

·Pressure Resistence



·Good visual effect


3,Manhole Cover Images:

Manhole Cover Ductile Cast Iron on Sale Heavy Medium  Telecom Sew

Manhole Cover Ductile Cast Iron on Sale Heavy Medium  Telecom Sew

Manhole Cover Ductile Cast Iron on Sale Heavy Medium  Telecom Sew


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

6) Different accessories are available 

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

8)  Payment terms: T/T or L/C 


A)Inspection by our factory

B)The third party inspection,SGS


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. 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.


Q. Odours are coming through where I have installed my manhole cover, why?

A. Your cover must be sealed and locked, or neoprene sealed, so you would require a T-Range Cover, or if you require a solid top, a selection of the PC range (e.g. PC2BG3, PC6CG3, not PC2BG) are suitable.


Q. I need access through my manhole cover on a regular basis, is this possible?

A. Yes, the majority of covers have built-in lifting keys, and for those that don’t we also supply lifting keys. However, the best way to obtain easy access is to have a bespoke, hinged manhole cover. 



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Q:Recommend me some metal songs?
Here's some that I PERSONALLY find good (and/or listen to): Insomnium Omnium Gatherum Swallow The Sun Barren Earth Ghost Brigade Wintersun Amorphis Finntroll Before The Dawn Black Sun Aeon Routasielu Wolfheart Rapture Moonsorrow Ikuinen Kaamos The Man-Eating Tree Kiuas Whispered Noumena Stam1na Wyrd In Mourning In Vain Solstafir Tyr Heljareyga Alestorm Agalloch Novembers Doom Be'lakor Quo Vadis Into Eternity Woods Of Ypres Ahab Animals As Leaders TesseracT Paul Wardingham Erra Entities In The Silence Sky Harbor **Enjoy.
Q:what is the longest metal song?
They're actually one in the same. Progressive death metal is just an alternate term for technical death metal (just another name to try and make it sound better, as far as I'm concerned). But the original term for the subgenre was actually technical death metal. The technical used to describe the progressive influence (particularly, the emphasis on complex riffs and song structures) used by some death metal bands who pioneered the style; namely Death, Atheist, Cynic, Nile, Nocturnus, and Pestilence while many future acts like Opeth, Obscura, and Decapitated would carry on the style. I've actually never heard of progressive metal referred to as technical metal. I personally think technical is a more accurate term for the prog-influenced death metal style since it helps distinguish those bands away from true prog metal bands, if you will, like Symphony X, Dream Theater, etc. Especially since they sound nothing like those bands.
Q:lighters burning metal?
Q:i need a list of metals?
Metal detectors find metal. It doesn't matter if the metal is shiny or not. They work best on magnetic metals such as iron or steel. Theres a small amount of metal on game circuit boards (usually copper) and speakers contain magnetic metals. Don
Q:Definition of a metal?
Folk metal. It's by far the most diverse out there. Nearly every country in Europe has at least one folk metal band, and they all sound at least somewhat unique because they're influenced by different cultures.
Q:Do you listen to Death Metal?
Without metal, we'd still be cavemen and there would be a lot of broken wooden clubs and bats. Metals played a significant role in humankind's technology and it really took off after the Stone Age. In our community, metal makes our infrastructure such as: pipes, drills, computers, telephone poles, vehicles, signs, satellites, furniture, etc. Metals are also used to create other items. Concrete comes from metallic mixers, toothpicks from chainsaws, and even power from batteries.
Q:Metal Cleats vs. Molded/Rubber Cleats?
Most metals do. It depends on the metal, and also on the acid. Gold and platinum, for example, do not react with hydrochloric, nitric, or sulfuric acids, but they react with aqua regia, a mixture of nitric and hydrochloric acid. Silver does not react with most acids, but it reacts with nitric acid. Alkali metals and alkaline earth metals react with pretty much any acid.
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Sure it is. People always tend to think they're very unique for liking metal, but it's simply not true.
Q:What are three metals, three semi-metals and three non metals?
Heavy metal!
Q:Cool Metal Bands?
Foreign Metal Bands

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