Manhole Cover En124 D400, Locking Manhole Cover on Sale

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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 En124 D400, Locking Manhole Cover on Sale

Manhole Cover En124 D400, Locking Manhole Cover on Sale


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:determine specific heat of a metal?
Q:Songs that define these genres of metal?
From autumn to ashes. I cant put a name to the genre i like... its wide
I don't agree. Metal is a subgenre of rock. It is therefore a type of Rock music. I agree with what others said, if Metal got it's own section, other rock subgenres would have to also e.g. Hard Rock, Grunge, Gothic, Punk etc. Edit: Joseph R, regardless of whether or not Metal has sub genres, it's still a sub genre of rock. Many subgenres have their own, but they all originate from one thing. Goodness, i used sub genre a lot there. RQ.
Q:When metal reacts with water ...?
Silver metal is added to hot water or exposed to steam No reaction Zinc metal is added to hot water or exposed to steam Yes produces zinc oxide and hydrogen Chromium metal is added to hydrochloric acid Yes, produces chromium chloride and hydrogen Lead metal is added to cold water No reaction Mercury metal is added to hydrochloric acid No reaction
Q:What is metal? [20 characters]?
Personally, My fave is Bodies by Drowning Pool, there's also Slipknot, Serj Tankian, System of a Down, Linkin Park, Nine Inch Nails, and def some Metallica (mainly older stuff, but you might like the newer stuff too). Just find some older CDs at Co-op or some other store like that, where you can buy them used instead of spending too much green on something you don't like.
Q:Beyblade: Which performs better, Metal Fight or Heavy Metal?
I just consider it all Metal. Who needs all the sub-genres?
Q:Thrash Metal vs Nu-Metal?
It's a non-metal. However, in 1935, a group of chemists at Princeton University predicted that hydrogen may behave like a metal at pressures in excess of 250,000 atmospheres (25GPa). This initial prediction was found to be incorrect, and now a team from Edinburgh University are attempting to observe metallic hydrogen using pressures of 5,000,000 atmospheres and above (>500GPa). To put that in perspective the pressure on you right now due to the atmosphere is around 101kPa, depending on your location and local weather. Also, solid hydrogen is used to describe hydrogen when it is in its solid state. This isn't quite the same as metallic hydrogen, as they exhibit different properties. It's still hydrogen, though.
Q:what are of the best metal bands there is?
Old thermometers used what? Mercury (Hg)
Q:Thrash Metal vs Melodic Death Metal?
Listen to empyrean Eclipse, not popular but best metal i've heard. As for black metal, listen to Bathory, they are basically the creators, they tackled black Metal and Viking metal.
Q:Metal fan here, I'm looking for new music?
Lindsay metal and emo music are nothing alike. but i like listening to metal every once in awhile. i think my favorite metal band is Candiria. i dont think there real big in the metal scene but there early work was really good. they had a unique way of putting there songs together. got to see them live with otep a few years back. not a fan of otep but just went to see Candiria. look them up, the cd 300 percent density is a good cd.

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