Manhole Cover en124 d400 Made in China with Good Quality
- Ref Price:
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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 :
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 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
4，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.
5,Manhole Cover Images:
- Q: i think its sad and funny that they only think true metal is the metal that they like
- Yes, they are all metals. In fact, in terms of pure numbers of elements, there are by far more metals than non-metals. If you look on your periodic table, they start on the right side atomic no. 5 with Boron and stairstep down to Astatine at 85. Everything else is a metal, although sometimes people will designate elements close to the non-metals as metalloids.
- Q: i don't see how disturbed is nu-metal...like linkin park, korn, system of a down are nu metal but comparing them to disturbed....they are so different.
- Metals do not tend to lose electrons in reactions, metals tend to share electrons but it depends on what you define as reactions. Many metals have very limited ductility and very limited malleability but, again, it depends on exactly how you define these terms.
- Q: and other types of metal
- Metal Gear first came for a japanese console called MSX2, then after its success a nintendo version was made, but there are some difference and the most important is that there is no metal gear mecha in it. Solid Snake meets Otacon in Metal Gear Solid not Metal Gear. In Metal Gear, Solid Snake goes to South Africa and at the end fights Big Boss. They meet again in Metal Gear 2: Solid Snake. This two games are included on the 2nd disc of Metal Gear Solid 3: Substance for PS2. There are 2 games for PSP, Metal Gear Solid: Portable Ops MGS: Peace Walker. You can play MGS on PS3 only on some PS3 models (some of the 2nd generation) you can play MGS2 MGS3.
- Q: what is ferrous and non ferrous metals? i don't get what they are!
- Was it just 1 song or a range of songs? If you like just the 1 song you cant be a metal fan. If you do like what you heard try and look up some bands and see if you like the bands other material.
- Q: I'm looking for folk metal, power metal, and metalcore bands! thanks :)
- Group III to XI are all transition metal for me i would always look at the abbreviated electron configuration of the atom when you see D orbitals with electron then its a transition metal same goes for f orbitals the groups i mentioned are all transition metals hope this help
- Q: Please name a kind of metal, the definition of that metal and a band of that kind of metal
- You can not use lye on aluminum. It can be pitted. Go to an auto constituents store and purchase four hundred grit moist or dry sandpaper. Sand the metallic soft with a drop of detergent as a lubricant.
- Q: Midinfilde cleats metal or moulded witch is better? Competitive hardball
- Molar Mass Of Metals
- Q: Mine would be Mastodon,seconded by Opeth.Also no Nu-Metal,it doesn't suck but it isn't real metal.
- Divalent metals are the metals whose atoms exhibit the valency of 2. They form ionic bond by losing or gaining 2 electrons.
- Q: A band for each genre:Traditional Heavy Metal:Thrash Metal:Doom Metal:Stoner Metal:First-Wave Black Metal:Black Metal:Speed Metal:Progressive Metal:Death Metal:Technical Death Metal:Melodic Death Metal:Folk Metal:Alternative Metal:Groove Metal:Viking Metal:
- All metals can be made to shine. It is not the structure of the base metal which affects the shine over a period of time. It is the oxide layer which forms on the surface. The more active the base metal, the thicker and looser in general the oxide layer. Think iron and red rust. You can shine a piece of iron to a very shiny mirrorlike surface and within a relatively short period of time, the surface will oxidize and the shine will disappear to be replaced with loose red rust. The amount of shininess of the surface of any metal is determined by the oxide layer on the surface, the thicker, the more it obscures reflections from the base metal, The thinner, the more reflected light shines through. Passive metals such as gold, develop an oxide layer but it is tightly cohesive and very thin, which acts to separate the base metal from the environment while being thin enough to allow a significant amount of light to be reflected off the surface so you see the yellow color of the gold. Red rust on the other hand is loose, and does not separate the base metal from the environment so it continues to oxidize and corrode the base metal. Alloys such as stainless steel are passive because of additives which form the oxide layer. In the case of stainless steels, it is chromium, which forms a tight cohesive oxide layer before the steel itself starts to rust. The chromium dioxide layer being tightly cohesive like gold, separates the steel from the environment so it stays shiny.
- Q: ok here it is a large amount of an unknown metal M reacts with 4.6g of chlorine gas to form 6.8g pure metal chloride. When the metal chloride is dissolved in a 100.0mL volumetric flask which is then filled to the mark the concentration of metal ions is found to be 0.43 moles/. What is the unknown metal?PLease help
- My favorites are Alice In Chains Tool, A Perfect Circle, Rage Against the Machine, Deftones and of course classic metal like Metallica and Sabbath.
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Manhole Cover en124 d400 Made in China with Good Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
OKorder Financial Service
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