Manhole Cover Ductile Cast Iron on Hot Sale China Heavy 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:Classic Metal: Judas Priest, Black Sabbath, Black Label Society, Van HalenThrash Metal: Metallica, Megadeth, Anthrax, SlayerGlam Metal: KISS, Twisted Sister, M?tley CrüeDeath Metal: Behemoth, Cannibal CorpseIndustrial Metal: Nine Inch Nails, Marilyn Manson, Deathstars, Rammstein Gothic Metal: Cradle Of Filth, Lacuna Coil, Epica, EvanescenceNu Metal: System of a Down, Korn, Lostprophets
- use a circuit with a inductor sensor- connect the sensor to a LED and power supply for a simpel detector. Sensitivity in detection usually can be adjusted on the sensor itself.
- Q:Hey, I just wanted to ask 2 questions about the Metal Gear series: What's the difference Between Metal Gear Solid 2: Sons of Liberty and Metal Gear Solid 2: Substance. And also, the difference between Metal Gear Solid 3: Snake Eater, and Metal Gear Solid 3: Subsistence. Thanks.
- metal's conductivity should be simple
- Q:thnx !
- Groove metal is one of my faves now. Stuff like In Flames and (I don't care what people say they fall into the groove metal catagory) SlipKnoT are good examples. Rap metal has lost alot of respect with douches like Linkin Park and such. Metal in general is good. Lamb of God, All That Remains, Disturbed(more hard rock now but the sickness WAS metal), Mudvayne, ect. All good bands and all Heavy. I love to beat up people who listen to Justin Bieber to LoG! LOLZ
- Q:I am a little confused. whether Mercury is considered base metal and is it considered a Non-Ferrous metal.
- This Site Might Help You. RE: Facts about Transition metals? I just need some cool facts about the Transition metals. Like I said the first two times, I am working on an Inquiry on the periodic table
- Q:i was listening metal and rock since i was 5...i loved it so much...but there is one thing that i just couldn't understand...really quot;what is the difference between death and heavy metal??quot; i am sure that death metal have a lot of screaming in every song,but i just cannot figure that out!.. :P thank again..
- Metal working is, generically, the permanent deformation of a piece of metal. Can be done many different ways. Hot working is defined as working the metal at the recrystallization temperature (the temperature at which a cold worked structure will be fully recrystallized in 1 hour). As a rule of thumb, the rexstal temp is one half the absolute melting point for pure metals (the homologous temperature). This rule of thumb can be off significantly when you are dealing with alloys, particularly highly alloyed compositions. In these cases, the alloying can increase the recrystallization temperature and, therefore, require higher temperatures to achieve hot working. Hope this helps.
- Q:i feel very slow, i really cannot figure out the difference between death metal and black metal...anyone know?
- A metal is an element that readily loses electrons to form positive ions (cations) and has metallic bonds between metal atoms. Mercury is a metal but it is a liquid at room temperature. It is liquid at room temperature because of the very weak mercury-mercury bonding.
- Q:do earrings casted in white metal rust ?
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- Q:Why do transisition metals have multiple charges?
- If you want to show others that you are a death metal fan, all you need to do is wear a band shirt really. Unlike black metal there is no particular style of clothing for death metal, just look at Nile and Cannibal Corpse.
- Q:Who else here loves metal? Speak up!
- Thrash,Crossover,Heavy,some Death, some Doom
- Q:WHY!? and fav. bands:]I love it
- Metal ore is the raw mined rock that contains the metals. It is pulled out of the earth.
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Manhole Cover Ductile Cast Iron on Hot Sale China Heavy 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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