Manhole Cover Ductile Cast Iron from China 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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OKorder Financial Service
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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:Compare by periodic properties!Thanks
- Most elements ARE metals. The elements are classified as either metals or nonmetals. The number of metals exceeds the number of nonmetals. But not all metals exist in nature in the elemental, metallic state. The three most common are copper, silver and gold (which also turn out to be the forms of early money.)
- Q:This is my Physics homework and I'm stuck because I was ill for a few lessons.Whole question: ''Compare the similarities and differences between the process of conduction in metals and non-metals.''
- Metals will weaken acids so the pH will get higher. e.g. dilute HCl pH =1 add metal e.g. magnesium pH MgCl2 solution = 7
- Q:why do metals react different than non-metals?
- Down (stoner Southern metal, very sludgy) Iced Earth (80s style thrash, kinda sound like Iron Maiden) Strapping Young Lad (amazing extreme metal from Devin Townsend) Ihsahn (progressive, extreme, death, folk! AMAZING!) Deicide (THE best Satanic death metal band going. Their new album To Hell With God is killer!!) Kreator (excellent thrash metal from Germany. Their last album Hordes of Chaos was astounding adn was all recorded live in the studio with no click or over dubs!!) Evile (thrash metal from the UK. Kinda sound like early Metallica) Macabre (unclassifiable really...they are just bonkers. They play what has become known as murder metal. Every album is about gruesome acts of violence usually true stories too. Their last album was called Grim Scary Tales and is all about the true stories from where children's fairy tales come from. Really cool and strange!) Six Feet Under (death metal with a slower tempo - usually about killing and maiming! Great guttural vocals) Ozzy Osbourne ( I know he is i his 60s but he is the Godfather of METAL! His last album Scream is EXCELLENT!! I highly recommend) Long live the metal!
- Q:post some nu metal/metal songs (example: Korn is a nu metal band).
- Depends on the metal and the state it is in. Alkali metals burn very rapidly, whereas metals like titanium and tungsten will not burn unless they are heated very strongly in a source of high oxygen content.
- Q:and alkali metals, alkaline earth metals, transition metals and other metals in the periodic table? and nonmetals
- Glam Metal is garbage Black Metal usually has high tuned guitars and high pitched shrieks as vocals. Lyrics are usually Satanism themed. Thrash Metal has heavily distorted guitars and seems to be about war a lot of the time I've never listened to Doom Metal, so I cannot answer. See what I said about Glam. The same thing applies to Hair Metal Heavy Metal is stuff like Black Sabbath, Iron Maiden and Judas Priest. I don't know how to describe it in any other way.
- Q:does metal amplify, make dull, eliminate etc. sound? :) -ry
- www.okorder
- Q:i dont know metal much, so can you guys recommend me some good heavy metal bands.thanks.
- Progressive Metal: Dream Theater, Queensr?che and Fates Warning Death: Death, Obituary, and Possessed Melodic: In Flames, At the Gates, and Dark Tranquillity Glam Metal: Kix, Night Ranger, M?tley Crüe and Quiet Riot Speed Metal: Motorhead is mostly acquitted to this one Industrial Metal: Ministry, Godflesh, and KMFDM Black Metal: Bathory, Venom, Hellhammer, and Celtic Frost Metalcore: Hogan's Heroes, Earth Crisis, and Integrity Hardcore: Hatebreed, Converge
- Q:How could you identify the unknown metal in drano if you know that it is amphoteric? Out of the choices: Sn, Mg, Zn, and Al you find that Al and Zn are both amphoteric. Which is the unknown metal? why?
- I think they're a Power Metal band with progressive and symphonic elements. See you!
- Q:We all know that just about everything else influences metal but has metal had an influence on pop, country, classical, or any other genre? And if so what artists or songs?
- Yes, and everything else inbetween.
- Q:What is up with these subgenres in metal like screamo, emo, punk, CORE etc.? Why is metal so ****** up; nowadays? Why can we turn back the clocks to the days of classic thrash real metal like slayer, exhorder, anthrax, pantera, sepultura, Meshuggah, metallica (before St. Anger), Judas Priest, Exodus, etc. Now that's true music.
- Symphonic metal and melodic metal are metal in the more traditional sense (ie: think Judas Priest, but more technical). Symphonic death metal and melodic death metal are just like symphonic metal and melodic metal, just applied to death metal (i.e: think Cannibal Corpse, but more technical.)
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Manhole Cover Ductile Cast Iron from China 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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