Manhole Cover Ductile Cast Iron on Sale Heavy Medium Telecom Sew
- 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:find out what metal reacts with acid?
- Metals generally have high melting points, which can be useful for working with extremely hot objects. Metals generally have good electrical conductivity which is good for circuits and electrical work. Most metals also are very strong materials that can be used in items that require strength. Hope this helps.
- Q:Is this true :-When metals bond with any other element or compound, it is through ionic bondingAndWhen only non-metals bond, it is through covalent bonding (sharing of electrons)??Please explain your answers!!
- switches that are used for 6.6 kv lines are called metal clads.
- Q:I have to watch these videos of non identifiable substances and all it shows is it's Appearance, Malleability, Conductivity and reaction in water and acid. I don't know how I would know if these substances were non metal or metal? Any ideas?
- An alkali metal has only 1 electron in its outer electron shell, while an alkali earth metal has 2. Example of alkali metal:Sodium. Example of alkali earth metal:Calcium. The outer shell with a single electron has a greater tendency to lose that electron(has a higher ionization potential) than that with 2. Hence. the sodium atom forms a stronger electrovalent bond than the calcium.
- Q:How do metals exist? Pure metal or metal oxide? Is the process reversible(From metal to metal oxide or metal something and vise versa)? And the copper, iron, etc. that we use in daily life are metal oxide or pure metal?
- Atreyu - Doomsday Black Sabbath - Paranoid Anthrax - Caught In A Mosh,Bring The Noise Megadeth - Symphony Of Destruction Slayer - Raining Blood,Jihad Metallica - Battery,The Memory Remains,St. Anger Lamb Of God - Redneck,Ghost Walking,Laid To Rest,Ruin Slipknot - Before I Forget,Duality,Psychosocial
- Q:Hello fellow metal lovers. I wanted to expand my metal so does anyone know any bands related to the several I post below. Those are my favorite bands.Melodic Death Metal:Children of Bodom, Mors Principium Est, Scar SymmetryProgressive Metal:Into EternityExtreme Metal:WintersunGroove Metal:Chimaira(I don't know what genre they are. Are they Metalcore or Groove Metal?)Speed Metal:KalmahMetalcore:Trivium
- Try some Opeth. They're more Progressive Death Metal, Listen to Blackwater Park Cheers -Will
- Q:Did you know this about metal?
- Folk okorder
- Q:I was pretty sure that metal is referring to music from heavy metal bands like AC/DC, KISS, Judas Priest, Metallica, maybe even Led Zeppelin. But now I'm hearing all of these lesser new bands calling their music metal and it is not at all the same.It irritates me, so I'm wondering if I have the wrong definition all together, or if this new music is just trying to latch on to older and better bands.Thanks
- No. They're not black metal. They're alright. I like their aesthetic, especially. But there's several things that make a band black metal (beyond saying it), and Venom never were any of those things. The first is in the beats, and Venom played really down tempo, old school heavy metal beats. Even their fast songs would be considered slow for black metal. Secondly, their chord progressions are old school. They even use 12-bar blues progressions on certain songs… like Chuck Berry, or Elvis. Black metal doesn't do that. Thirdly, the vocals aren't black metal at all. And that may be the most important thing. There are black metal fans out there who call acoustic folk music black metal… just because it has black metal vocals. Black metal vocals are screamed, really-highed pitched harsh. Goblincore… Venom doesn't sound anything like that. Listen to Gorgoroth. Early Gorgoroth… with Pest as their singer. It's like nails on a chalkboard… which black metal fans, including myself, like. Granted, not all black metal vocals are that high-pitched, but they're always harsh. And if they're too low, they'll get labeled death metal shunned
- Q:The ones i know: 90% of stuff by Maximum The Hormone.I really like Japanese metal because i love Metal and i can understand Japanese.Any good Japanese Metal songs?Thanks :3
- Basically, metals are elements that can't hold onto their electrons tightly. I think this is because as you go down the periodic table and atoms get larger, elements get less electronegative, which is a measure of the ability of an element to hang onto its electrons. The most electronegative element is Fluorine. Moving to the left or down will just make them less so, and more like metals.
- Q:This may sound stupid, but could someone please tell me all the diffrent types of metal and explain them??
- Chromium is regarded with great interest because of its high corrosion resistance and hardness. 18 % Chromium and 11% nickel form stainless steel which is very durable steel and does not corrode. Chromium is a very strong , hard and durable metal even in elemental form. They use chromium to electroplate a hard surface onto steel shafts of hydraulic cylinders. It also is the famous chrome plate that is used for show on motorcycles and show cars. It doesn't corrode and it takes heat very well and is resistant to acids, greases and general bad environments including salt water.
- Q:There seems to be no discretion between metal and rock. Everything seems to fit in metal that is hard to believe such as Linkin Park, and Three Days Grace. According to wikipedia these bands fall under the genre of nu metal which originated after the death of kurt cobain. These two mainstream among many others are classified as metal so as I asked above what do you think metal is?
- The temperature of the surface of the Sun (the photosphere) is hot enough to not only melt, but vaporize all known metals.
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Manhole Cover Ductile Cast Iron on Sale Heavy Medium Telecom Sew
- 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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