• Manhole Cover Ductile Iron / Cast Iron Made in China System 1
  • Manhole Cover Ductile Iron / Cast Iron Made in China System 2
  • Manhole Cover Ductile Iron / Cast Iron Made in China System 3
Manhole Cover Ductile Iron / Cast Iron Made in China

Manhole Cover Ductile Iron / Cast Iron Made in China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 pc
Supply Capability:
1000 pc/month

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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

·Anti-corrosion

·Anti-theft

·Good visual effect

3,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 

9)Inspection

A)Inspection by our factory

B)The third party inspection,SGS

4FAQ:

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. 

5,Manhole Cover Images:

 

Manhole Cover Ductile Iron / Cast Iron Made in China

 

Manhole Cover Ductile Iron / Cast Iron Made in China


Q:what will happpen if i heat it.. and can metal carbonates and metal hydroxides be mixed together ??
I prefer Melodic Death Metal and Symphonic Black Metal.
Q:what are some good pump up songs? i prefer metal?
In my opinion Yes. Some people only consider True Black metal to be Real. This then of curse depends on the definition of true which traditionally meant raw honest and low fidelity. I however think True should be redefined to label bands that have refused to sell out, bands that don't clutter their websites with endorsement icons or twitter and Facebook share and like buttons. and by that definition even a symphonic black metal band could true. By the old definition Symphonic Black metal is still regarded as Real Black Metal but not as true Black Metal
Q:POLL: RAP or METAL ?!?!?
To me there's a huge difference between Nu Metal and Grunge. 1. Grunge bands had more of a variety of sounds. Not only apart from other bands but even different sounds within the same band. The was light, shade, heavy, sparse, etc. Nu Metal bands have pretty much one sound and different bands sound similar. 2. Grunge had a lot of power chords, open chords, leads, picking, sometimes all in the same song. Much like 70's bands did. Nu Metal is mostly low power chords. 3. Grunge had a lot of female singers. Nu Metal barely did. 4. If you strip away hip hop from Nu Metal, you get Disturbed. Disturbed is no where near sounding Grunge. They sound Nu Metal without the Hip Hop. I still consider it Nu Metal. 5. I always thought 90's Grunge/Rock was like 70's Rock if you simplified it and added a punk element to it. Nu Metal is like a mix of Korn, Metallica, and Tool except even more simplified. Oh, and Hip Hop too. Something like that anyway. Maybe has an element of Grunge in it too but it not Grunge. 6. Grunge wasn't glam Metal. Glam Metal is like Kiss, Motley Crue, and Poison. Grunge is what put those stupid bands out of style. Grnge was a lot more Punk and had elements of 60's and 70's Rock.
Q:what is an alkali metal?What is a valence electron?
Metallica is not Metal, well not anymore, they used to be, sometime before St. Anger. They are still overated even from before that they were an average thrash band. Metal and Hard Rock are far from similar. Metal is much more about the music than rock. Rock is all about the main singer, metal is much more about the instumentals. Generic metal is like hard rock, but generic metal is c*rap. So stop saying hard rock is like metal because it is not true. But ya Metallica was metal, mediocre, but still metal. And having metal in they're name doesn't make them metal, look at metaloids, they wish they were metals too.
Q:Can you give some names of some Ferrous Metals? Thanks =)
Metals have 1-3 electrons in the outer shell of each atom. Non metals usually have 4-8 electrons in their outer shell.
Q:I have to find information of second row transition metals [RU,Fe..]Does anyone knows where ?thank u...
i dont listen to quite all this, but i do indulge in the metal music i like kamelot-power metal leaves eyes- viking, symphonic, and neo-classical epica-symphonic NIN-industrial(in a way maybe more alt.) LOG- seen them labled as groove black metal(least favorite genre) cradle of filth and dimmu borgir anthrax-speed theroin-goth What would you lable decapitated as? their album nihility is amazing eluveitie-folk metal Zeppelin gotta fit in here somewhere they are more than just classic rock well thats all i can lable, my mind is about to explode like a stack of marshals turned up to 50........THOUSAND
Q:what is the best metal band out there?
No it's carbon, just like we are made of carbon but a bit different. Simple physics
Q:there's been viking metal, medieval metal, folk metal, anybody know any cowboy/western inspired bands?
Nightwish...power metal
Q:I mean, they're really heavy, but they just don't sound that metal. I mean, I know they are metal. But they don't sound anything like Judas Priest or Iron Maiden. All they have is abrasiveness and drop tuning, and not any high screams or shredding, let alone anything REALLY anthemic.
I definitely think of that Protest the Hero definitely gets the award for terrific degree presence, no longer in basic terms because of the fact it extremely is extraordinary yet additionally because of the fact of ways puzzling their stuff is to play, jointly as shifting on the comparable time. the Dillinger get away Plan is likewise a contender for tremendous degree presence.
Q:Metal Gear Solid fans?Ive never been into mgs but I hear that mgs4 is awsome, so instead of just going and buying mgs4 people are telling me to get the Metal Gear Solid Essentials Collection first so i understand the story line. The problem is i just got the first metal gear solid for the ps1 and theres no point in buying the Metal Gear Solid Essentials Collection and getting another one.
I listen to a few death metal bands/heavy metal bands.actually a lot!...I don't know if you've already heard of these..maybe you'd be interested? Arch enemy- I like this band, the lead singer is a chick and she has kick *** vocals!! she's the queen of metal! :D Children of bodom-Is another one of my fav metal bands! behemoth- AMAZING BAND! And of course theres slayer!!! but who hasn't heard of them! i assume you've already heard of them, if not-then what the hell is a matter with u!!! lol Ummm gosh such a long list of them that i like! oh theres Death!-look them up :) theres also another band..but they're not metal they're punkrock-Murderdolls! have you heard of them? they're pretty dam sweet! if you're into punk rock too i suggest you look them up :) hopefully that helped a bitt-even a little :L

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