Manhole Cover Ductile Cast Iron China on Hot Sale 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
You Might Also Like
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: This may sound stupid, but could someone please tell me all the diffrent types of metal and explain them??
- you mean hardest, like you're testing with a rockwell tester? i'll assume you mean pure elements, so a compressed sample of tungsten would be quite hard. as to resistivity to corrosion, all metals can be affected by acid, I would guess that the more electronegative the metal was, the more resistance it would have to corrosion. the earth and alkalai earth metals react violently, and support this assumption. good luck hold up i just checked my materials engineering textbook, and it said that gold and platinum were the hardest metals to corrode. if you've done any chemistry, you'll know that gold will accept electrons from most other elements, and is actually more cathodic than water. (meaning that it will not (unforced) dissociate into water.
- Q: I just want some good metal bands without satanic messages in their songs...
- Yes, pure metals form crystals. In fact, naturally occuring native metals are always crystalline, although some would be better referred to as polycrystalline - they may not be perfect crystals, different regions may have different crystal structures. Special techniques (such as very rapid cooling) are required to produce amorphous metal - metal without a crystal structure. Even still, the difference in crystal structure is not that significant in determining conductivity, because the metal atoms are still in contact and are bonded through the valence electron sea. It is the unfilled valence shells that allow conduction to take place.
- Q: why does metal feel colder than wood in low temperatures but hotter than wood in high temperatures?
- best for what? Rhodium seems to be the most expensive metal, Carbon steel is the hardest, The heaviest metals are Osmium and Indium. It really depends what quality you are looking for if you are looking for the best An axe made out of pure gold would not be very useful to chop down a tree and make firewood. It's too soft.
- Q: Is grindcore a type of metal? And is it more metal than metalcore?
- Some okorder
- Q: Eg: hardcore, death metal, heavy metal, screamo.... Etc
- Groove metal is a subgenre of metal which is slower and relies more on groovy rhythms rather than on fast thrash riffs. In many cases groove metal features downtuned guitars (in man cases also dropped tunings) and it is usually in mid-tempo. Also, groove metal usually features harsher vocals than in thrash metal and overall the sound is heavier. Groove metal examples: Pantera, Sepultura (later), Machine Head, Exhorder etc. BQ: Thrash metal BQ2: Death metal BQ3: Alt metal BQ4: none
- Q: Since it's metalcore mixed with death metal, can we call it metal rather than hardcore?
- Metal is not mainstream!! If a metal band gets mainstream its not true metal anymore!!!
- Q: it's juz that i read somewhere that it's the seed 2 black metal, n that death metal = black metal. n that black metal could bend ur faith or something like that. really, anyone offended by this q, i'm so sorry, but i juz need an answer that could, well.. satisfy my curiosity.after all, u ppl have better judgement on this than i am.
- My least favorite Metal sub genres are Death Metal, Screamo, Glam Metal, and Today's Metal like A7X and Bullet for my Valentine I hate those bands I hate any Metal that has screaming. I like my Metal Old School like Black Sabbath, Judas Priest, Metallica, Megadeth, Anthrax, Dio, and Iron Maiden thats the only Metal I like and Grunge Metal like Alice in Chains and Soundgarden some of their music is heavy.
- Q: What metal genre is the heaviest.
- Thrash Metal - Sepultura - Sodom - Kreator - Anthrax - Megadeth - Exodus - Testament - Evile - Slayer Folk metal - Ensiferum Melodic Death Metal - Wintersun - Kalmah Power Metal - Rhapsody I would mention other bands in the sections but you should check those out and then wander off on your own to discover other bands.
- Q: What's the Coefficient of Static Friction for Metal on Metal, and for Leather on Metal??I also need sources for the values.
- well, steel is a type of metal. It's sort of like asking the difference between a bug and an ant, an ant is a bug, but not every bug is an ant. Likewise, steel is metal, but not all metal is steel. Gold is metal, Silver is metal, Iron is metal, Steel is metal.
- Q: Right i understand acids release H+ ions and bases accept H+ ions and also release hydroxide ions. Is a metal a base? also whats the difference between a metal and a metal oxide and metal hydroxide? Its for revision chemistry additional and further, thanks for any help x
- In metals bonding is by means of an electron sea model in which mobile cations are present in a sea of electrons.
Send your message to us
Manhole Cover Ductile Cast Iron China on Hot Sale 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
Similar products
Hot products
Hot Searches