Manhole Cover with Good Quality Made in China
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
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1,Cast 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.
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 Images:
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
9)Inspection
A)Inspection by our factory
B)The third party inspection,SGS
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.
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.
- Q: Which type of metal is better?
- ...why exactly did you choose baby oil? nevermind, you know there are many many solutions produced solely to bring out the luster of metal? Brasso, Tarn-X, Chromax, etcetra? I'd better suggest you use metal polishing liquids to polish metals.
- Q: I go for metal music.
- Metal is inclusive of all types of metal including what the founders of metal like Black Sabbath, Deep Purple, and Led Zeppelin made. Death metal uses very fast drum beats and features themes dealing with morbid topics and normally has grunting instead of singing. Often death metal bands display open hostility to Christianity and embrace Satanic beliefs.
- Q: Which metal should be used while constructing roof for a metal building??
- Metals have some basic properties... Scratch the substance with a knife of something like that...If the surface below is lustrous or shiny then it is a metal...Also, metals can be made into wires and sheets...You can make wires and sheets out of iron, copper, gold and aluminium....Can u make a wire or sheet with helium or sulphur..As far as i know...NO! bcoz sulphur is powdery and helium is a gas... Wats more when u scratch iron, aluminium, copper and gold they will reveal a lustrous surface beneath...But u cnt scratch sulphur or helium... Easy!!! isn't it??
- Q: I have played only Metal Gear Solid:3 ..... can anyone tell me all of the names of Metal Gear Solid Series?
- Heavy metal definetly. But some alternative is okay. Q101 is the greatest radio station ever :P
- Q: Any good metal bands like Metallica,nikotin,Iron maiden... etc.i want similar to these
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- Q: I think it kicks ***. I like Benighted and Pig Destroyer (they're grind). And I also love Ulver. Who's your favorite Black and Death Metal band? And Hardcore/Grind maybe?
- The alkali metals are the group of elements in the left-most family of the periodic table. For example it starts with lithium and goes all the way down. Welkom :)
- Q: Srap Metal Alloy, nickel, Brass, Wire, Auctions Manifacture Contractors that sell Scrap metal and wire
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- Q: I like it, even though I admit I would have hated it if I'd lived in the '80s.BQ: Favorite hair metal band/song?
- Metals- ususally solid- form cations (+)- usually hard-malleable/ductile-conduct electricity and heat-must lustre silvery (except gold, and copper)-many magnetic - on the lleft side of the (staircase)*mettaloids section on periodic table Non Metals- Make anions - on the right side of staircase (ex- Chlorine, Fluorine,Sulfur, Phosphorous....) - opposite of metal characterisitcs...
- Q: Do you think nu-metal is metal? Alot of people believe that metalcore, and nu metal is not metal...I think that both genres are metal...just not pure metal. They include other influences. But with nu-metal, I still have mixed feelings. I'm used to metal being all rock, not rap mixed with rock. But I have to admit it, whether I like it or not, it's metal...only with rap influences. Nevertheless...metal. IMO atleast.Tell me what you think...do you think nu-metal is metal?and what about metalcore?
- Physically, metals are those chemical substances that are rigid,malleable,ductile and tensile. However there are some exceptions to such metallic properties like K,Na and Cs are neither rigid nor tensile...There are various other physical properties of metals like Sonour,Lustre,etc. and exceptions are also there in them... So the chemical definition classifies substances into Metals and Non-Metals without any exceptions ,on the basis of their tendency to attain a completely filled valence shell of electrons... Chemically, metals are chemical substances which are capable of giving electrons to other substances to form electro-positive ions called cations.Metals generally give electrons to non-metals (which are chemical substances capable of gaining electrons to form electro-negative ions called anions) to form Electrovalent or Ionic Compounds.
- Q: How are some metals shiny and some dull?
- For the metal-to-metal coefficient of static friction, it depends a lot on the composition of the different metals, their surface finish, and the amount and composition of any lubricant or surface contaminant. Ditto for leather on metal. As a rule, for clean, smooth metal-to-metal surfaces, dissimilar metals tend to give lower values for static friction than two surfaces of the same metal that would have a tendency to stick to each other (i.e., seize) and refuse to slide at all. This is especially true if one of the metals is very hard and the other is relatively soft, which is one reason why sleeve bearings are made of relatively soft stuff. It also helps if the surfaces are smooth but not too smooth. Minimum values you can expect for the coefficient of static friction would be in the range of 0.1. From a theoretical standpoint, leather on metal is even more complicated than metal on metal because the leather is a chemically and structurally complex mix of substances that can be expected to change with age, usage, and environment. That said, the tables in the reference will give you some idea what to expect.
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Manhole Cover with Good Quality Made in China
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
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